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that引导的宾语从句时态当引导从句时，宾语从句的时态与主句的时态有一定的关系，可以分为以下几种情况：1. 当主句是一般现在时、一般过去时、一般将来时时，从句的时态可以使用相应的一般时态，也可以使用相应的完成时态。
例如：- I hope (that) he comes to the party.（我希望他来参加派对）（主句是一般现在时，从句可以使用一般现在时或一般过去时）- He said (that) he had finished his homework. (他说他已经完成了作业)（主句是一般过去时，从句可以使用一般过去时或过去完成时）- She promised (that) she will help me with the project. (她承诺会帮我完成这个项目)（主句是一般将来时，从句可以使用一般将来时或将来完成时）2. 当主句是过去时的虚拟语气（如：would, could, should等）时，从句的时态使用过去时态的虚拟语气。
例如：- He wished (that) he had studied harder.（他希望他当初学习更努力）（主句是过去时的虚拟语气，从句使用过去完成时的虚拟语气）3. 当主句是现在时的虚拟语气（如：wish, suggest, propose等）时，从句的时态使用过去时态的虚拟语气。
例如：- I suggest (that) he go to the doctor.（我建议他去看医生）（主句是现在时的虚拟语气，从句使用过去时的虚拟语气）4. 当主句是一般过去时的虚拟语气时，从句的时态使用过去完成时态的虚拟语气。
例如：- I wish (that) she had passed the test. (我希望她过了这次考试)（主句是一般过去时的虚拟语气，从句使用过去完成时的虚拟语气）需要注意的是，以上规则只是一般情况下的时态使用，实际上时态的使用还要根据具体的语境来决定。
宾语从句【直接引语变间接引语】直接引语变间接引语就是将引语部分写成宾语从句或动词不定式短语，要注意以下几点：人称变化、时态变化、宾语从句要用陈述句的语序。
句型变化：(注意引导词)B.2、主句是一般过去时态时，从句时态用相应的过去时。
3、若从句为客观理论、自然现象或永恒不变的规律时，不受主句时态限制，从句仍用一般现在时。
C. 人称变化：如果直接引语中的人称是转述人本身，必须改为与转述人一致的人称代词。
“一随主，二随宾，三不变”1. She said, “My brother wants to go with me.”( She said her brother wanted to go with her.)2. He said to Kate, “How is your sister now?”( He asked Kate how her sister was then. )3. Mr. Smith said, “Jack is a good worker.”(Mr. Smith said Jack was a good worker)D. 时间状语变化：1. now → then2. this year → that year3. yesterday → the day before4. last week → the week before5. three days ago → three days before6. tomorrow → the next day7. next week → the week after 8. today → that day9. ago→ before st night → the night before11.the day before yesterday →two days beforeE. 其它：this → that, these → those, here → there, come → go.Bring →take(注意：表中这些情况，要根据具体情况而定，不可机械照搬。
宾语从句在句子中起宾语作用的从句叫做宾语从句.宾语从句分为三类:动词的宾语从句,介词的宾语从句和形容词的宾语从句.时态：1.主句用一般现在时，从句可用任意时态。
2.主句用过去时，从句用过去某个时态。
3.主句用过去时，从句是真理时，只用一般现在时。
一、宾语从句的连接词从属连词连接宾语从句的从属连词主要有that,if,whether.that引导表示陈述句的宾语从句,而if和whether引导表示“是否”的宾语从句.He told me that he would go to the college the next year他告诉我他明年上大学.I don’t know if there will be a bus any more.我不知道是否还会有公交车.Nobody knew whether he could pass the exam.没人知道他是否会通过考试.连接代词连接代词主要有who, whom ,whose ,what ,whoever ,whomever ,whosever, whatever, whichever等.连接代词一般指疑问,但what, whatever除了指疑问外,也可以指陈述.Do you know who has won Red Alert game?我不知道你该依靠谁.The book will show you what the best CEOs know.这本书会告诉你最好的执行总裁该了解些什么.Have you determined whichever you should buy,a Motorola or Nokia cell phone?你决定好是买诺基亚还是摩托罗拉的电话了吗?连接副词连接副词主要有when,where,why,how,whenever,wherever,however等.He didn’t tell me when we should meet again.他没有告诉我什么时候我们能再见面.Could you please tell me how you read the new panel?你能告诉我怎么用这个新的操作盘吗?None of us knows where these new parts can be bought.没有人知道这些的新的零件能在哪里买到.二、动词的宾语从句大多数动词都可以带宾语从句We all expect that they will win , for members of their team are stronger.我们都预料他们会赢,因为他们的队员更强壮.He told us that they would help us though the whole work.他告诉我们在整个工作中,他都会帮忙的.部分“动词+副词”结构也可以带宾语从句I have found out that all the tickets for the concert have been sold out.我发现这场音乐会的所有票都卖光了.Can you work out how much we will spend during the trip?你能计算出这次旅行我们将花费多少钱吗?动词短语也可以带宾语从句常见的这些词有:make sure确保ma ke up one’s mind下决心keep in mind牢记Make sure that there are no mistakes in your papers before you turn them in.在上交试卷前确保没有任何错误.可运用形式宾语it代替的宾语从句①动词find,feel,consider,make,believe等后面有宾语补足语的时候,则需要用it做形式宾语而将that宾语从句后置.I think it necessary that we take plenty of hot water every day .我认为每天多喝开水是有必要的.I feel it a pity that I haven’t been to the get-together.我没去聚会,感觉非常遗憾.I have made it a rule that I keep diaries.我每天写日记成了习惯.We all find it important that we (should) make a quick decision about this mater.我们都认为对这件事马上做出决定很重要.②有些动词带宾语从句时需要在宾语与从句前加it这类动词主要有:hate, take , owe, have, see to.I hate it when they with their mouths full of food.我讨厌他们满嘴食物时说话.He will have it that our plan is really practical.他会认为我们的计划确实可行.We take it that you will agree with us.我们认为你会同意我们的.When you start the engine, you must see to it that car is in neutral.开启发动机时, 一定要使汽车的离合器处于空挡位置.③若宾语从句是wh-类,则不可用it代替We all consider what you said to be unbelievable.我们都认为你所说的是不可信的.We discovered what we had learned to be valuable.我们发现我们所学到的东西都是有用的.三、介词的宾语从句用wh-类的介词宾语从句We are talking about whether we admit students into our club.我们正在讨论是否让学生加入我们的俱乐部.The new book is about how Shenzhou 6 manned spaceship was sent up into space.这本新书是关于神州6号载人航天飞船是如何升入太空的.用that,if引导的介词宾语从句有时候except,but,besides三个介词后可见到that引导的宾语从句I know nothing about my new neighbor except that he used to work with a company.对于我的新邻居我只知道他曾在一家公司上班,其他一无所知.四、形容词的宾语从句常用来引导宾语从句的形容词有:sure,certain,glad,please,happy,sorry,afraid,satisfied,surprisedI am sure I will pass the exam.我确信我会通过考试.I am sorry that I have troubled you so long.很抱歉我这么长时间在打扰你.He is glad that Li Ming went to see him when he was ill.他很高兴在他生病的时候李明能去看望他.五、if,whether在宾语从句中的区别①if和whether在作“是否”解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if②少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether.③whether后可以加or not,但是if不可以.④在不定式前只能用whether.（如：I can’t decide whether to stay. 我不能决定是否留下。
初中宾语从句一、定义宾语从句是英语复合句中非常重要的从句之一，也是初中阶段要求重点掌握的从句。
宾语从句属于名词性从句，是用一个句子做另一个句子的宾语。
宾语从句一般做介词或及物动词的宾语，如：We all expect that they will win.我们所有人都盼着他们能赢。
（动宾）We are talking about whether we should keep the money.我们正在讨论是否应该收下这笔钱。
（介宾）二、宾语从句的连接词宾语从句的引导词很多样，基本涵盖了从句中涉及的所有引导词，可分为从1. 若主句是现在时的某种时态（一般现在时，现在进行时，现在完成时），宾语从句不受限制，可以根据实际情况随意穿越，如：I remember he gave me a book yesterday.我记得他昨天给了我一本书。
He has told me that he will leave for Shanghai next week.他已经告诉我下周他就要动身去上海了。
2. 若主句是过去时的某种时态（包括一般过去时，过去进行时），那么宾语从句一般要用过去的某种时态（包括一般过去时，过去进行时，过去将来时，过去完成时），如：I only knew he was studying in a western country.我只知道他当时在西方的一个国家读书。
My teacher told me that Mrs. Rosemary had been back to Australia already.我的老师告诉我，Rosemary夫人已经回澳大利亚了。
He told me that he would take part in the high jump.他告诉我他将会参加跳高。
3. 若从句是一个客观真理,那么从句用一般现在时，不根据主句的时态而变化，如：He told me that the earth goes around the sun.（真理）他告诉我地球围着太阳转。
宾语从句用法小结宾语从句是初中英语中最重要的语法之一。
中考经常会出现相关的题目。
掌握宾语从句应注意 三方面要素。
下面的表格可以帮助大家理解这一部分内容宾语从句的时态问题所谓过去的某个时态指的是如下的变化接下来我们一起来具体了解宾语从句的用法以及应注意点（你认为重要的或者容易出错的地方最好用红笔划出来）一、 宾语从句的引导词1. 当由 来充当宾语从句时，用 引导，that 无词义常省略。
eg. I think (that) he is right.I know (that) she is a Canadian athlete. I’m sure (that) he will get the job.I’m glad (that) you are trying to help others. He tells me (that) he will work hard this term. 2. 当由 做宾语从句时，引导词由原来的 来充当。
有意义不能省略。
从句的语序 要用 。
句末的标点符号由主句决定。
常出现 的特殊疑问词：when, why, how, where, who 、whom 、 whose 、which, what 等。
eg. 1) He asks. How can they get to school? He asks how they can get to school.2) Do you know? When did he buy this pen? Do you know when he bought this pen? 3) Can you tell me ? What is your name ? Can you tell me what your name is ?3. 当由充当宾语从句时，用或引导，意为“是否”“是不是”“能否”等。
eg. 1) He asks me if/ whether he can come.2) I’m not sure if/ whether she will help me.3) Do you know if/ whether the train will arrive on time?特别注意：1）直接与or not连用时,往往用whether 不用ifeg. Let me know whether or not he will come让我知道他是否能来。
初中英语语法宾语从句讲解-专项练习及答案初中英语语法宾语从句讲解小口诀：宾语从句三注意，时态语序引导词；主句一般现在时，从句不需受限制；主句一般过去时，从句须用相应时；陈述转化that引，一般疑问用if/whether,特殊问句疑问词，引导词后陈述式。
概念:在句中担当宾语的从句叫宾语从句。
Eg:He said,“I am good at drawing”.He said he was good at drawing。
(动词宾语)1.引导词1) that引导宾语从句时，通常用陈述句充当。
that可省略。
said,“I want to go there”She said (that) she wanted to go there.(2) whether或if引导的宾语从句,由一般疑问句/选择疑问句充当，陈述语序。
Eg:“Are you interested in geography?”she said.She asked if/whether I was XXX.I wonder if /whether she has told the new to Li Lei。
I’m not sure whether he will come or not.注意：一般情况下，whether和if可以互用，但有些情况例外a.介词短语后只用whether不用ifeg: XXX about whether we'll go on the panic.b.引导词与动词不定式或or not连用时，只用whether.eg:I can’t say whether or not he will come on timec。
if当如果讲时,指导的是前提状语从句，透露表现‘如果’，不能用whether.Eg: If you want to be a good teacher。
it will take times.XXX succeed depends on how much effort you pay.3).特殊疑问词引导宾语从句时，不可省略，陈述句语序。
语法进阶宾语从句中的时态转换与语气变化宾语从句是英语语法中的一种重要句子结构，用来作为主句的宾语。
宾语从句中的时态转换与语气变化是语法进阶中需要注意的问题。
以下将详细讨论宾语从句中的时态转换和语气变化。
在宾语从句中，时态转换通常出现在主句和从句中的时态之间。
以下是宾语从句中常见的时态转换情况：1. 陈述句主句时态不变，从句中的时态根据实际情况而定。
例如：- He said he is hungry.（他说他饿了。
）(主句为一般现在时，从句为陈述句，时态保持一致。
)- She told me she had finished her homework.（她告诉我她完成了作业。
）(主句为一般过去时，从句为陈述句，时态转换为过去完成时。
)2. 祈使句主句时态不变，从句中的时态使用一般现在时。
例如：- He ordered me to leave.（他命令我离开。
）(主句为一般现在时，从句为祈使句，时态保持一致。
)3. 一般现在时主句时态不变，从句中的时态使用一般现在时或将来时。
例如：- She wonders how long it takes to get to the airport.（她想知道去机场需要多长时间。
）(主句为一般现在时，从句为疑问句，时态保持一致。
)- He asked me when the concert starts.（他问我音乐会什么时候开始。
）(主句为一般现在时，从句为疑问句，时态保持一致。
)4. 一般过去时主句时态不变，从句中的时态使用一般过去时或过去完成时。
例如：- She told me she would go shopping yesterday.（她告诉我她昨天去购物了。
）(主句为一般过去时，从句为陈述句，时态保持一致。
) - He asked me if I had finished my homework.（他问我是否完成了作业。
）(主句为一般过去时，从句为疑问句，时态转换为过去完成时。
宾语从句用法及其例句宾语从句用法时态：1.主句用一般现在时，从句可用任意时态。
2.主句用过去时，从句用过去某个时态。
3.主句用过去时，从句是客观真理时，只用一般现在时。
一、宾语从句的连接词从属连词连接宾语从句的从属连词主要有that,if,whether.that引导表示陈述句的宾语从句,if和whether引导表示“是否”的一般疑问句的宾语从句.He told me (that he would) go to the college the next year他告诉我他明年上大学.I don’t know if there will be a bus any more.我不知道是否还会有公交车.Nobody knew whether he could pass the exam.没人知道他是否会通过考试.连接代词连接代词主要有who, whom ,whose ,what ,whoever ,whomever ,wh osever, whatever, whichever等.连接代词一般指疑问,但what, whatever除了指疑问外,也可以指陈述.Do you know who has won Red Alert game?你知道是谁赢得了红色警报的游戏？The book will show you what the best CEOs should know.这本书会告诉你最好的执行总裁该了解些什么.Have you determined whichever you should buy,a Motorola or Noki a cell phone?你决定好是买诺基亚还是摩托罗拉的电话了吗?连接副词连接副词主要有when,where,why,how,whenever,wherever,however 等.He didn’t tell me when we should meet again.他没有告诉我什么时候我们能再见面.Could you please tell me how you use the new panel?你能告诉我怎么用这个新的操作盘吗?None of us knows where these new parts can be bought.没有人知道这些的新的零件能在哪里买到.二、动词的宾语从句大多数动词都可以带宾语从句We all expect that they will win , for members of their team are stro nger.我们都预料他们会赢,因为他们的队员更强壮.He told us that they would help us through the whole work.他告诉我们在整个工作中,他们都会帮忙的.部分“动词+副词”结构也可以带宾语从句I have found out that all the tickets for the concert have been sold out.我发现这场音乐会的所有票都卖光了.Can you work out how much we will spend during the trip?你能计算出这次旅行我们将花费多少钱吗?动词短语也可以带宾语从句常见的这些词有:make sure确保make up one’s mind下决心 keep in mind牢记Make sure that there are no mistakes in your papers before you tur n them in.在上交试卷前确保没有任何错误.可运用形式宾语it代替的宾语从句①动词find,feel,consider,make,believe等后面有宾语补足语的时候,则需要用it做形式宾语而将that宾语从句后置.I think it necessary that we take plenty of hot water every day .我认为每天多喝开水是有必要的.I feel it a pity that I haven’t been to the get-together.我没去聚会,感觉非常遗憾.I have made it a rule that I keep diaries.我每天写日记成了习惯.We all find it important that we (should) make a quick decision abo ut this mater.我们都认为对这件事马上做出决定很重要.②有些动词带宾语从句时需要在宾语与从句前加it这类动词主要有:hate, take , owe, have, see to.I hate it when they with their mouths full of food.我讨厌他们满嘴食物时说话.He will have it that our plan is really practical.他会认为我们的计划确实可行.We take it that you will agree with us.我们认为你会同意我们的.When you start the engine, you must see to it that car is in neutral.开启发动机时, 一定要使汽车的离合器处于空挡位置.③若宾语从句是wh-类,则不可用it代替We all consider what you said to be unbelievable.我们都认为你所说的是不可信的.We discovered what we had learned to be valuable.我们发现我们所学到的东西都是有用的.三、介词的宾语从句用wh-类的介词宾语从句We are talking about whether we admit students into our club.我们正在讨论是否让学生加入我们的俱乐部.The new book is about how Shenzhou 6 manned spaceship was se nt up into space.这本新书是关于神州6号载人航天飞船是如何升入太空的.用that,if引导的介词宾语从句有时候except,but,besides三个介词后可见到that引导的宾语从句I know nothing about my new neighbor except that he used to work with a company.对于我的新邻居我只知道他曾在一家公司上班,其他一无所知.四、形容词的宾语从句常用来引导宾语从句的形容词有: sure,certain,glad,please,happy,sor ry,afraid,satisfied,surprisedI am sure I will pass the exam.我确信我会通过考试.I am sorry that I have troubled you so long.很抱歉我这么长时间在打扰你.He is glad that Li Ming went to see him when he was ill.他很高兴在他生病的时候李明能去看望他.五、if,whether在宾语从句中的区别① if和whether在作“是否”解时,引导宾语从句常放在动词know,ask,c are,wonder,find out等之后,介词后一般不用if②少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether.③ whether后可以加or not,但是if不可以.④在不定式前只能用whether.（如：I can’t decide whether to stay. 我不能决定是否留下。
宾语从句在句子中起宾语作用的从句叫做宾语从句.宾语从句分为三类:动词的宾语从句,介词的宾语从句和形容词的宾语从句.时态：1·主句用一般现在时，从句可用任意时。
2·主句用过去时，从句用过去某个时态。
3·主句用过去时，从句是真理时，只用一般现在时。
1.宾语从句的连接词从属连词连接宾语从句的从属连词主要有that,if,whether.that引导表示陈述句的宾语从句,而if和whether引导表示“是否”的宾语从句.He told that he would go to the college the next year他告诉我他下一年上大学.I d on’t know if there will be a bus any more.我不知道是否还会有公交车.Nobody knew whether he could pass the exam.没人知道他是否会通过考试.连接代词连接代词主要有who, whom ,whose ,what ,whoever ,whomever ,whosever, whatever, whichever等.连接代词一般指疑问,但what, whatever除了指疑问外,也可以指陈述.Do you know who has won Red Alert game?你知道谁赢了这一局红警游戏吗?I don’t know whom you should depend on.我不知道你该依靠谁.The book will show you what the best CEOs know.这本书会告诉你最好的执行总裁该了解些什么.Have you determined whichever you should buy,a Motorola or Nokia cell phone?你决定好是买诺基亚还是摩托罗拉的电话了吗?连接副词连接副词主要有when,where,why,how,whenever,wherever,however等.He didn’t tell me when we should meet again.他没有告诉我什么时候我们能再见面.Could you please tell me how you read the new panel?你能展示给我怎么用这个新的操作盘吗?N one of us knows where these new parts can be bought.没有人知道这些的新的零件能在哪里买到.2.动词的宾语从句大多数动词都可以带宾语从句We all expect that they will win , for members of their team are stronger.我们都预料他们会赢,因为他们的队员更强壮.He told us that they would help us though the whole work.他告诉我们在整个工作中,他都会帮忙的.部分“动词+副词”结构也可以带宾语从句I have found out that all the tickets for the concert have been sold out.我发现这场音乐会的所有票都卖光了.Can you work out how much we will spend during the trip?你能计算出这次旅行我们将花费多少钱吗?动词短语也可以带宾语从句常见的这些词有:make sure确保make up one’s mind下决心keep in mind牢记Make sure that there are no mistakes in your papers before you turn them in.在上交试卷前确保没有任何错误.可运用形式宾语it代替的宾语从句①动词find,feel,consider,make,believe等后面有宾语补足语的时候,则需要用it做形式宾语而将that宾语从句后置.I think it necessary that we take plenty of hot water every day .我认为每天多喝开水是有必要的.I feel it a pity that I haven’t been to the get-together.我没去聚会,感觉非常遗憾.I have made it a rule that I keep diaries.我每天写日记成了习惯.We all find it important that we (should) make a quick decision about this mater.我们都认为对这件事马上做出决定很重要.②有些动词带宾语从句时寻要在宾语与从句前加it这类动词主要有:hate, take , owe, have, see to.I hate it when they with their mouths full of food.我讨厌他们满嘴食物时说话.He will have it that our plan is really practical.他会认为我们的计划确实可行.We take it that you will agree with us.我们认为你会同意我们的.When you start the engine, you must see to it that car is in neutral.开启发动机时, 一定要使汽车的离合器处于空挡位置.③若宾语从句是wh-类,则不可用it代替We all consider what you said to be unbelievable.我们都认为你所说的是不可信的.We discovered what we had learned to be valuable.我们发现我们所学到的东西都是有用的.3.介词的宾语从句用wh-类的介词宾语从句We are talking about whether we admit students into our club.我们正在讨论是否让学生加入我们的俱乐部.The new book is about how Shenzhou 6 manned spaceship was sent up into space.这本新书是关于神州6号载人航天飞船是如何升如太空的.用that,if引导的介词宾语从句有时候except,but,besides三个介词后可见到that引导的宾语从句I know nothing about my new neighbor except that he used to work with a company.对于我的新邻居我只知道他曾在一家公司上班,其他一无所知.4.形容词的宾语从句常用来引导宾语从句的形容词有:sure,certain,glad,please,happy,sorry,afraid,satisfied,surprisedI am sure I will pass the exam.我确信我会通过考试.I am sorry that I have troubled you so long.很抱歉我这么长时间在打扰你.He is glad that Li Ming went to see him when he was ill.他很高兴在他生病的时候李明能去看望他.5.if,whether在宾语从句中的区别①if和whether在作“是否”解时,引导宾语从句常放在动词know,ask,care,wonder,find out等之后,介词后一般不用if②少数动词,如:leave,put,discuss,doubt后的宾语从句常用whether.③whether后可以加or not,但是if不可以.④在不定式前只能用whether.如：I can’t decide whether to stay. 我不能决定是否留下。
在英语中分为主动语态和被动语态两种语态。
首先我们应该弄清那么什么是被动语态？它是怎样构成的？被动语态表明一个被动性动作，它由“助动词be＋及物动词的过去分词”构成。
助动词be有时态、人称和数的变化，其变化规则与连系动词be完全一样。
请看下表：被动语态否定式为be not done，情态动词被动语态否定式为情态动词＋not be done.在下列情况下要使用被动语态：1. 行为主体不明确，不必说出或者无法说出动作的执行者时。
如：Football is played all over the world.2. 不易找到或根本就不可能找到动作的执行者时。
如：My bike was stolen. 我的自行车被盗了。
3. 汉语中含有“据说、据悉、有人说、大家说”等时。
如：It is said that one day he climbed to the top of a house and dropped some money down a chimney.据说，有一天他爬到一所房子的顶上，往烟囱下面扔了一些钱。
4. 汉语中含有“被、由”等词时。
如：Wei Hua is asked to come by Lin Tao.魏华是被林涛叫来的。
5. 汉语中没有“被、由”等词，而在原句中试加这类词且句意通顺时。
如：These songs are usually sung by boys.这些歌曲通常是男生唱的。
（在“是”后面可以加上“由”）6. 某些句子习惯上用被动语态。
如：He was born in October，1989.7. 表示礼貌时。
如：You are friendly invited to come to our English party at 8：00 p.m. tomorrow.敬请您明天晚上8：00光临我们的英语晚会。
在以下10种情况下均不能使用被动语态：1. 不及物动词不能用于被动语态。
名师讲解：宾语从句的时态
宾语从句的时态
1. 如果主句的时态是一般现在时，宾语从句该用什么时态就用什么时态。
即，从句可用所需的任何时态
如：
I don’t think (that) you are right.
Please tell us where he is.
Can you tell me how I can get to the railway station?
He says Mary is playing with the cat .
He says Mary often plays with the cat.
He says Mary will play with the cat.
I think he left yesterday morning.
2. 如果主句的时态是一般过去时，宾语从句只能用相应的过去时态（一般过去时，过去进行时，过去将来时，过去完成时）。
例如：
He asked what time it was.
He told me that he was preparing for the sports meet.
He asked if you had written to Peter.
He said that he would go back to the U.S. soon.
He said, “Mary is playing with the cat.” →
He said Mary was playing with the cat.
He said, “he will go back to China soon.” →
He said he would go back to China soon
3. 如果宾语从句所陈述的是客观真理，其时态常用一般现在时，不受主句时态的限制。
例如：
Our teacher said that January is the first month of the year.
Scientists have proved that the earth turns around the sun.
The teacher said, “the moon moves around the sun.”
→ The teacher said that the mo on moves around the sun.
He said, “light travels much faster than sound.”
→ He said light travels much faster than sound.
4、当主句为Could you (please) tell us-----?时，只表示语气，而不表示过去时态。
•考点归纳——宾语从句的时态
•1、当主句动词为一般现在时，从句可用所需的任何时态。
•2、当主句动词为一般过去时，宾语从句只能用相应的过去时态（一般过去时、过去进行时、过去将来时、过去完成时）。
•3、当宾语从句为客观真理时，用一般现在时态，不受主句时态的限制。
•4、当主句为Could you (please) tell us-----?时，只表示语气，而不表示过去时态。
