初中英语九年级英语上册Grammar Focus单元语法精讲精练

人教新目标九年级Unit 13 Grammar Focus讲解及练习（有答案）Joe is used to drinking a cup of coffee every morning.3. My grandfather built this house in 1930.This house was built (by my grandfather) in 1930.主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。

被动语态：Passive voice定义：表示主语是动作的承受者，即行为动作的对象的一种语态。

结构：be + 过去分词e.g. A new school was built last year.Our classroom is cleaned every day.①一般现在时的被动语态：am/is/are + V-ed②一般过去时的被动语态：was/were+ V-ed③一般将来时的被动语态：will/shall+be+ V-ed不可以变成被动语态的情况1. 某些感官动词加形容词及少数其他的动词与一些副词连用表示被动意义。

smell, taste, prove, sell, etc.1) The dish tastes delicious.2) The theory proved right at last.3) The book is so interesting that it sells well.4) The pen writes well.2. need做实意动词时，need + V- ing主动形式表示被动意义。

我的车需要修理。

My car needs repairing. (= to be repaired).3. 通常只有及物动词（组）才有被动语态，不及物动词没有。

战争爆发了。

The war broke out.但不能说：The war was broken out.4. Lily, clean your teeth please.Mum, I have already cleaned them.现在完成时表示动作发生在过去，并对现在有影响。

Unit 13 Grammar Focus及练习Grammar FocusPay attention to the sentences.1) We’re trying to save the earth.2) The river used to be so clean.3) The air is badly polluted.4) No scientific studies have shown that shark fins are good for health.5) We should help save the sharks.1. They are playing basketball.Nancy is working on a new book about stories in schools.Why are you always coming late for class?如今进展时: Present Progressive定义：表示说话时〔瞬间〕正在进展的动作，也表示目前或现阶段一直进展的动作。

构造: be (am/is/ are) + v.-ing标志词：Look, Listen, now, right now…e.g. Look! The boy is crying.2. used to do与be used to doingused to do sth. 表示过去常常做某事, 而如今往往不做了, 后接动词原形。

be used to doing sth. 表示习惯于做某事。

e.g. I used to get up at six o’clock.Joe is used to drinking a cup of coffee every morning.3. My grandfather built this house in 1930.This house was built (by my grandfather) in 1930.主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者。

Unit 13 Grammar Focus及练习Grammar FocusPay attention to the sentences.1) We’re trying to save the earth.2) The river used to be so clean.3) The air is badly polluted.4) No scientific studies have shown that shark fins are good for health.5) We should help save the sharks.1. They are playing basketball.Nancy is working on a new book about stories in schools.Why are you always coming late for class?现在进行时: Present Progressive定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。

结构: be (am/is/ are) + v.-ing标志词：Look，Listen，now，right now…e.g. Look! The boy is crying.2. used to do与be used to doingused to do sth. 表示过去常常做某事，而现在往往不做了，后接动词原形。

be used to doing sth. 表示习惯于做某事。

e.g. I used to get up at six o’clock.Joe is used to drinking a cup of coffee every morning.3. My grandfather built this house in 1930.This house was built (by my grandfather) in 1930.主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。

人教新目标九年级Unit 13 Grammar Focus讲解及练习（有答案）Unit 13 Grammar Focus及练习Grammar FocusPay attention to the sentences.1) We’re trying to save the earth.2) The river used to be so clean.3) The air is badly polluted.4) No scientific studies have shown that shark fins are good for health.5) We should help save the sharks.1. They are playing basketball.Nancy is working on a new book about stories in schools.Why are you always coming late for class?现在进行时: Present Progressive定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。

结构: be (am/is/ are) + v.-ing标志词：Look, Listen, now, right now…e.g. Look! The boy is crying.2. used to do与be used to doingused to do sth. 表示过去常常做某事, 而现在往往不做了, 后接动词原形。

be used to doing sth. 表示习惯于做某事。

e.g. I used to get up at six o’clock.主动形式表示被动意义。

我的车需要修理。

My car needs repairing. (= to be repaired).3. 通常只有及物动词（组）才有被动语态，不及物动词没有。

Unit 14 Grammar focus讲解及练习1. Revision一般过去时用法：可以表示过去某一时间或某一段时间内发生的动作或存在的状态，也可以表示过去经常或反复发生的动作。

谓语部分要用动词的过去式。

标志性词汇：yesterday, the day before yesterday, ago, later, just now, at that moment,last, in 2021, in the past, every day last year等。

一般将来时用法：可以表示将来某个时间要发生的动作或存在的状态，也可以表示将来经常或反复发生的动作。

构成：will / shall + 动词原形(注意：主语为第一人称时使用shall)标志性词汇：tomorrow, the day after tomorrow, next, in five days, in the future, lateron, soon等。

“be going to +动词原形”也可以表示将要发生的动作或打算、计划、决定要做的事。

现在完成时用法：表示过去发生或者未发生的事对现在造成的影响或结果。

构成：主语+ have / has +过去分词+ …标志性词汇：just, ever, never, yet, already, for, since, so far, recently, twice, threetimes等。

宾语从句宾语从句即在复合句中充当宾语的句子。

连接词从句来源连接词备注陈述句that 口语或非正式文体中常省略一般疑问句if / whether特殊疑问句 连接代词：who; whom; whose; which; what 等 在句中担任主、宾、定或表语。

连接副词：when; where; why; how 等 在句中担任状语 宾语从句用陈述语序。

如：He is an honest boy. The teacher said.→The teacher said （that ）he was an honest boy.Does he work hard? I wonder.→I wonder if/whether he works hard.When did he leave? I don’t know.→I don’t kn ow when he left.时态①主句是现在的时态，从句的时态可根据实际情况而定。

Unit 12Life is full of the unexpected.第三课时Section A(Grammar Focus－4c)—单元同步语法精讲精练概念：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。

它表示动作发生的时间是过去的过去。

结构①肯定句：主语＋had＋过去分词＋其他．②否定句：主语＋had not＋过去分词＋其他．③一般疑问句：Had＋主语＋过去分词＋其他？用法归纳①常与before，by，by the time，by the end of等引导的时间状语(从句)连用。

状语从句的谓语动词常用一般过去式。

eg：By the time I was six，I had started playing table tennis.到我六岁时，我已经开始学习打乒乓球了。

②表示从过去某一时间开始，持续到过去另一时间的动作或状态。

与“for＋时间段”连用，谓语动词用延续性动词。

eg：He had been ill for a week when we learned about it.当我们知道这件事时，他已经病了一周了。

③主句谓语动词为一般过去时(如said，asked，found，told，thought等)，其后的宾语从句通常用过去完成时。

eg：Mr. Zhang said that he had lived in this city for ten years.张先生说他已经在这个城市住了十年。

④在含有定语从句的复合句中，如果叙述的是过去的事，先发生的动作常用过去完成时。

eg：At that moment，I was replying to the e－mail that had arrived two days before.那时我正在回复两天前收到的电子邮件。

⑤在and或but连接的并列句中，如果前一个并列句为一般过去时，且后一个并列句中的动作早于前一个并列句中的动作，那么后一个并列句要用过去完成时。