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高中英语语法 条件状语从句ppt课件

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高中英语语法课件_状语从句 (共42张PPT)

高中英语语法课件_状语从句 (共42张PPT)

whether…or…
whether…or…引导的让步状语从句： △ 这种从句也称“选择条件-让步状语从句”，可位于 主句之前或之后，如： 1.Whether you like it or not, you’ll have to do it. 2. We hold that all countries, (whether they are) big or small, (whether they are) rich or poor, should be equal. 3. Whether it rains or snows, I will go tonight. 5. She had to go, whether or not she wanted it.
2) 一些表示时间的名词词组也可引
导时间状语从句。如：the moment, the minute, （一…就）next time （下次）, every/each time （每 次）。 e.g. The moment he comes, I will tell him.
4) as soon as, immediately, directly, instantly 等副词也可引 导状语从句。表示“一…… 就……”。
.
1. I was so familiar with him that I recognized his voice ______ I picked up the phone. A. while B. after C. In case D. the minute 2. How long do you think it will take _______ our product becomes popular with the consumers? A. when B. until C. before D. since

人教高中英语-状语从句课件(共29张PPT)

人教高中英语-状语从句课件(共29张PPT)

Homework
Consolidate the exercise on Page 132,133 in the workbook.
Teaching Reflections:
学生对主从句之间的逻辑关系判 断不清，无从选择连词； 对某些从 属连词语义掌握不准确，不明确其 具体的语言使用环境；同一状语从 句中的连词混淆使用，不能区别对 待。
实战训练
3. I was watching TV _______ suddenly
the lights went out.
A. when
B. while
C. as
D. for
be doing... when... “就在这时”

实战训练 4. I had just finished doing my examination papers ________ the bell rang. A. when B. while C. before D. after
It will be a long time before... “过很长时间才...”
实战训练 6. He asked me just to sit down and drink some water ________I could say anything about my travel plan. A. while B. when C. if D. before
14. Nobody believed him ____________ what he said. A. even though B. even if C. no matter 让步状语从句 D. because
5. John plays football _____ , if not better than, David. A. as well B. as well as C. so well 比较状语从句 D. so well as

高中英语语法复习课件--状语从句(48张PPT)

高中英语语法复习课件--状语从句(48张PPT)
keep it clean.
• * in case(万一） • Send us a message in case you have any
difficulty.
• *on condition that（？） • We’ll let you use the room on condition
that you keep it tidy.
• for 解释说明 • He must be ill, _______.(因为他今天没来)
三 条件状语从句 conditional adverbial clause
if,unless,so/as long as, in case on condition that, provided that,providing that,suppose that, supposing that
if If you work harder,you will succeed.
unless :if... not 除非 • Unless he comes, we won’t be able to go. • If he doesn’t come,we won’t be able to go.
• * as/so long as(只要 ) • You may borrow the book as long as you
2. while“尽管，虽然”，相当于although
3. while意为“而，却”，表示对比。 Jane was dressed in brown while Mary was dressed in blue.
as的用法
1. “一边…一边”； “随着” She was doing her homework as she was listening to the music.

条件状语从句 PPT课件

条件状语从句 PPT课件
1．当主句和从句所表示的是原理、客观真理、
规则时，主句是一般现在时（包括祈使 句和含有情态动词can/may/must等）， 从句也要用一般现在时。
例如： 1) If you put a piece of paper into water, it gets wet．如果你把一张纸放进水中，它 会变湿。(原理)
2. Where _______ he _________(see) the film if he ________________(have) time?
3. If there __________(be) fewer trees, there _______________( be) more pollution.
1） If you are looking for Peter you’ll find him upstairs. 如果你是在找彼得，上楼就 会找到他。
2） If you have finished dinner I’ll ask the waiter for the bill. 如果你吃完了，我就 叫服务生来算账。
it____(die). 10. Don't go out tomorrow if it ______(rain).
二、同义句转换
1. Play some sports, and you'll be healthy. ____ _____ play some sports, you'll be
healthy. 2. If you study hard, you will catch up with
So I hope all of us will try to follow these: Never throw rubbish everywhere. Don't step on the grass or pick flowers near the beach. In a word, beaches are an important part of our living environment; we all need to try our best to protect them. （小结）

条件状语从句PPT课件PPT课件PPT学习教案

条件状语从句PPT课件PPT课件PPT学习教案

A. but B. if D. or
C. and
第16页/共19页
34. It was raining heavily, _____ we decided to stay at home and watch TV.
A. unless B. if D. so
C. because
第17页/共19页
36.______ the dinner was all over, everyone helped wash the dishes. A. as long as B. When C. Before D. if
表示科学常识，经常性的动作 1.如果水被加热，它会变成蒸汽。 If water is heated, it turns to steam. 2. 如果我需要理发，我通常去我家附近的理发店。 If I need a haircut, I usually go to the barber’s near
条件状语从句
第13页/共19页
40. – Will you please give the dictionary to Jane? – Sure, I’ll give it to her _______ she
arrives here. A. before B. until C. because D. as soon as
A. doesn’t rain; go
B. won’t rain; will go
C. won’t rain; go
D. doesn’t rain; will go
2．—Do you know if ________ tomorrow morning? —No. I will call you if she ________ back.

条件状语从句完整课件(共14张PPT)

条件状语从句完整课件(共14张PPT)
如果我们提出更优惠的条件，他就会在合同上签 字。
He won't be against us in the meeting providing (that) we ask for his advice in advance．
如果我们提前征求一下他的意见，他就不在会上 反对我们。
5. as ( so ) long as…. “只要…， 就… ” 表示 一种前提条件
I can tell you the truth on condition that you promise to keep a secret．
我可以告诉你真相，条件是你答应保守秘密。
You can pass the custom on condition that we have checked your luggage．你可以通过 海关，但条件是我们得检查完你的行李。
If +虚拟条件句，
1. If I were you，I would invite him to the party．
如果我是你，我会邀请他参加聚会。 I would have arrived much earlier if I had
not been caught in the traffic． 要不是交通堵塞，我本会来得早一些。 If it should be true, it would be silly to
down． 如果你考试不及格，你会让他失望的。
如果你作业做完了就可以回家了。 If you have finished the homework， you
can go home.
1. If 从句 （一般现在时）， 主句 （ 一般现在时 ）
表示科学常识，说明， 经常性的动作，倾向 自动会发生的事

高中英语状语从句..(共48张PPT)

高中英语状语从句..(共48张PPT)
• However late / no matter how late he is, his mother will wait for him to have dinner together.
• in spite of; despite;regardless of • :prep. + n. • He went out in spite of the fact that he had a bad cold • He went out in spite of the cold.
地点状语从句 where
• • • • • •
where :在...地方 Where there is a will, there is a way. Where there is smoke, there is fire. 无风不起浪. 青年人应该去最需要他们的地方. Young people should go where they are most needed.
• every time,each time:每次... • Every time/each time I come, he is reading. • once:一旦...就... • 她一旦下了决心,什么也不能使她改变. • Once she has made up her mind, nothing can change it.
时间状语从句
原因状语从句 条件状语从句 让步状语从句
状语从句Biblioteka 目的状语从句 结果状语从句
地点状语从句 比较状语从句
方式状语从句
时间状语从句
when,while,as,since,before,after, until,till, once,as soon as,every time, hardly..when, no sooner... than, the moment, immediately

高中英语状语从句课件(共46张PPT)知识讲解

高中英语状语从句课件(共46张PPT)知识讲解
As he is a child, he knows a lot.
As he might try, he wouldn’t succeed.
注：
如果主句是短暂性动作，从句是延续性动词的进行时 态表示在段时间内正在进行的动作时，when,while,as 可互换。
When/While/As I was walking down the street, I came across an old friend of mine.
while的用法
1. while“当……的时候”,从句的动作必须是延续性的 Please don’t talk so loud while others are working.
2. while “趁…的情况赶紧做” Strike while the iron is hot.
3. while“尽管，虽然”，相当于although
注意：从句通常将作表语的adj/n.、作状语的adv、 作谓语的 do(情态动词后的动词原形)提到句首, 但单数名词前的冠词必须 省略。）
As he was tired,he refused to take a rest.
As he worked hard, he can’t work out the problem.
4）It was not +时间段 +before… “没过……就……” It wasn’t long before he left the country.
从句和主句的时态： 1. 一致：过去式 2.主将从现
until (till)
肯定句:(一直)...为止 He waited until/till his mother came back.
状语从句

状语从句(完整版)PPT课件

状语从句(完整版)PPT课件
结果状语从句
Chapter
表示结果的连词
因此
01
thus, therefore, as a result, consequently
所以
02
so, hence
以致于
03
so...that, such...that
结果状语从句的用法
结果状语从句通常置于主句之后，由 连词引导，表示主句行为所产生的结 果。
because since as for
语气最强，表示直接的原因或理 由，可用于回答 why 提出的问题 、引导表语从句、用于强调句等 。
语气最弱，仅说明一般的因果关 系，而非强调某事作为结果的原 因。
原因状语从句的用法
主句在前，从句在后
这是原因状语从句最常见的用法，即主句在前，从句在后，用逗号隔开。
倒装
有时为了强调或保持句子的平衡，可以将时间状语 从句中的部分成分倒装，如“Only when he arrived did we start the meeting.”（只有当他 到达时，我们才开始会议。）
03
地点状语从句
Chapter
表示地点的连词
01
where：在...地方
02
03
04
wherever：无论在哪里
倒装
有时为了强调或保持句子的平衡，可以将让步状语从句中的表语、状语或谓语放 在句首，构成倒装结构。例如：Tired as he was, he kept on working. 尽管他 很累，但他仍然继续工作。
07
目的状语从句
Chapter
表示目的的连词
为了
以免
表示目的，常用于句首，引导目的状 语从句。
02

高中英语状语从句讲解课件(共60张PPT)

高中英语状语从句讲解课件(共60张PPT)
2.能够在真实的语境中判定从句与主句 的逻辑关系,从而能够使用恰当的连
词完成交际.
3.能够辨别同类状语从句中近似连词的 用法区别.
常见考点： 考点一、主句与从句的时态呼应问题；
考点二、连接词的选择（注意区别几组连接词： while / as / when引导时间状语从句； because / since / as / for引导原因状语从句； if / unless引导条件状语从句； so…that / such…that引导结果状语从句等）； 考点三、状语从句与非谓语动词之间的替换；
4 ---When ____ you come to see me,Dad?
---I will go to see you when you ____ the training coursing.
A.do; will have finished
B.will; will finish
C.do; are finishing
D. will; finish
时间状语从句中用一般现在时代替一般将来时,用 一般过去时代替过去将来时
主句表示的是一个短暂性动作，
He fell asleep __w_h_e_n_/_w_h_i_le_/_a_she was reading.从句表示的是一个持续性动作
I
kept
silent
__w_h_i_le_
He likes football while his brother likes basketball.
2. 引导时状从句(=when) While he was doing his homework, his mother came in. ３.引让状从句,表“虽然,尽管”,置于句首 (=WalthhioleugI ha)dmit his good points, I can see his

条件状语从句完整ppt课件

条件状语从句完整ppt课件

on condition that引导的条件状语从 句中，主句和从句的时态根据具体情 况而定。
03
时态在条件状语从句中 运用
主将从现原则
常见的引导词有
if, unless, when, as long as, in case等。
例子
If it rains tomorrow, we will stay at home.（如果明天下雨，我们就待在 家里。）
作用
条件状语从句用于表达条件、假 设、条件限制等，帮助阐明主句 中的情况或结果，增强语言表达 的逻辑性和准确性。
分类及特点
01
02
03
真实条件句
表达现实中可能实现的条 件，使用一般现在时或一 般将来时。
非真实条件句
表达与现实相反或不太可 能实现的条件，使用虚拟 语气。
隐含条件句
条件不直接表达出来，但 通过上下文或语境可以推 断出来。
特殊情况处理
如
表示与现在事实相反的虚拟语气，从句用一般过去时。
例子பைடு நூலகம்
If I were you, I would not do that.（如果我是你，我不会那样做。）
时态一致问题
在条件状语从句中，主句和从句的时态 要保持一致。
如果主句是过去时态，从句也要用相应 的过去时态。
例子：He would have finished his work if he had not been
针对性练习题
If I _______ (be) you, I _______ (not do) that.
练习2：Complete the sentences with the correct conditional clause. (用正确的条件状 语从句完成句子。)

条件状语从句课件知识讲解共28页文档

条件状语从句课件知识讲解共28页文档

46、我们若已接受最坏的，就再没有什么损失。——卡耐基 47、书到用时方恨少、事非经过不知难。——陆游 48、书籍把我们引入最美好的社会，使我们认识各个时代的伟大智者。——史美尔斯 49、熟读唐诗三百首，不会作诗也会吟。——孙洙 50、谁和我一样用功，谁就会和我一样成功。——莫扎特
条件状语从句课件知识讲解
16、自己选择的路、跪着也要把它走 完。 17、一般情况下)不想三年以后的事， 只想现 在的事 。现在 有成就 ，以后 才能更 辉煌。
18、敢于向黑暗宣战的人，心里必须 充满光 明。 19、学习的关键--重复。
20、懦弱的人只会裹足不前，莽撞的 人只能 引为烧

高中英语语法专题复习课件--状语从句(共64张PPT)

高中英语语法专题复习课件--状语从句(共64张PPT)

2) when可以引导条件状语从句，意为“如 果”。如： How can we explain it to you when you won't listen?
2. while 1) while引导时间状语从句时，从句的谓语
必须是延续性动词（如work, stay, wait, live等）。如： Please don't talk so loudly while others are working.
Child as he is, he knows a lot.
c. 实义动词+ as +主语+助动词（如果没有 助动词，则要加上do, does或did）。如： Try as she would, Sue couldn't get the door open.
4) as引导方式状语从句时，意为“如，像， 按照”。如：
He did not need to keep moving house, as his father had.
5) as引导比较状语从句时，常用于as ... as ...和not so / as ... as ...结构中。如： They want peace as much as we do. I can't run as fast as I used to.
seeing that,
considering that, in that也可引导 原因状语从句
从句类型 常见连词
补充
目的状语 从句
谓语动词前常带
有情态动词；
so that, in order that,
...
in case, for fear (that)也可引导目

高中英语 高中条件状语从句讲解(共17张ppt )

高中英语 高中条件状语从句讲解(共17张ppt )
03 in case 以防，假使
You can borrow my car in case you promise not to drive too fast. 假如你答应不开得太快，我就可以把车借给你。
04 providing/provided that 如果
He’s welcome to come along，provided that he behaves himself. 只要他规矩点，他一起去是受欢迎的。
or young chicks，they don't use a nest.
A. why
B. how
C. unless
D. where
②You must keep on working in the evening，________ you are sure you can
finish the task in time.
A.Once
B.If
C.Because
D.Unless
3.
you can sleep well, you will lose the ability to focus, plan and stay motivated after one or two
nights.
A.Once
B.Unless
C.If
hard togeth
C.as long as
D.for fear that
we Chinese work
2.
you try to do something beyond what you have already mastered, you will never grow.
特殊引导词 as/so long as（只要） only if（只有） providing/provided that （如果） suppose/supposing that（假设） in case（以防，假使） on condition that（条件是）

《条件状语从句》ppt课件

《条件状语从句》ppt课件

时间状语从句的引导词包括：when 、while、as、after、before等；条 件状语从句的引导词包括：if、 unless、as long as、on condition that等。
时间状语从句通常放在主句之前或之 后，并用逗号隔开；而条件状语从句 通常放在主句之前，不用逗号隔开。
与原因状语从句关系
与过去事实相反：If I had known the answer, I would have told you. （如果我早知道答案，我就会告诉你了。 ）
06
与将来事实相反：If it rained tomorrow, we would stay at home. （如果明天下雨，我们就呆在家里。）
倒装结构通常用于强调条件状语从句中的 某个成分，或使句子更加简洁明了。
避免歧义
语境依赖
在使用省略和倒装结构时，要确保句子意 思明确，避免产生歧义。
省略和倒装现象往往依赖于特定的语境，需 要根据上下文来判断是否适用。
05
条件状语从句与其他从句关系
与时间状语从句关系
时间状语从句表示主句动作发生的时 间，而条件状语从句表示某个条件， 当该条件满足时，主句动作才会发生 。
例子
If you heat ice, it melts. （如果你给 冰加热，它会融化。）
非真实条件句
结构
If + 简单句（一般过去时/过去完成时），主句（ would/should/could/might + 动词原形）。
例子
If I were you, I would not do that. （如果我是你，我不会 那样做。）
03
条件状语从句时态与语态
时态一致原则

if条件状语从句-课件(共31张PPT)

if条件状语从句-课件(共31张PPT)
hard-working
get good grades
If she is hard-working,
she will get good grades.
Look and say
sunny this Sunday
go fishing .
If it is sunny this Sunday, I’ll go fishing .
• 读下列例句，试着自己总结if 的用法：
• 1. If you heat metal, it melts. • 如果把金属加热，它就会融化。 • 2.Water turns into ice if you cool it. • 如果你冷却水，它就会变成冰。 • 3.If you stand in the rain, you get wet.
A if; Whether B whether; Whether
C if; That D if ; If
3. Please tell her my telephone number if she _____ (want) to know.
wants
4. Will you come and stay with us for a while if you
“如果”。
If 引导的宾语从句可以用将来时，意思为“是
否”。
如果
Betty will visit the History Museum if it __d_o_e_s_n_’_t_r_ai_n_ (rain) tomorrow.
Ben wants to know if it____w_il_l b_e____ (be) fine tomorrow.
P105 B
• William has five problems • Give him some advice from column A and B
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Have an aim in your life, or your energies will be wasted. If you have an aim in your life, your energies won’t be wasted. If you don’t have an aim in your life, your energies will be wasted.
可与if条件状语从句进行转换的句型：
1. 祈使句/名词短语，and/or+简单句 2. 分词，主句（分词做条件状语）
6
句型转 换：
If you give me somewhere to stand, I will move the earth. Give me somewhere to stand, and I will move the earth. Give me somewhere to stand, or I won’t move the earth. Given somewhere to stand, I will move the earth.
条件状语从句
1
时间状语从句
地点状语从句
1. 条件状语从句的 引导词
状 语 从 句
条件状语从句 目的状语从句 结果状语从句 原因状语从句
2. 条件状语从句的 时态问题
3. 条件状语从句的 省略问题（分词 做条件状语）
让步状语从句
1.If真实条件句 2.If非真实条件句 3.其他引导词
写作： 主题：给学校校报编辑、社区、某项活动提建议。结尾句可用。
如果你能考虑我的建议，我将不胜感激。 I would appreciate it if you could take my suggestions into consideration.
9
翻译与写作：
如果……该怎么办？ What if……
8
翻译与写作：
如果……我将不胜感激。 I’d appreciate it if……
翻译： 如果您能帮助我得到票的话，我会非常感激。 I’d appreciate it if you could help me get a ticket. If you could help me get a ticket, I'd appreciate it.
方式状语从句
比较状语从句
考点可结合题型：
语法填空题（1-3空） 翻译与写作
长难句分析
2
状语从句
14一模 14二模 15一模 15二模 总空格数
时间
6 10 3 5 24
让步 条件 原因 目的 方式
5
4
7
2
0
5
5
1
1
1
6
6
1
09 11 5
2
结果 比较
1
0
0
1
0
0
0
0
1
1
状语从句
4
a. 时态 主句一般将来时，从句一般现在时(主将从现)
If the museum charges for entry, a lot of people won’t be able to visit it.
If your dog is depressed, he probably ____ more exercises. A. will need B. needed C. need D. needs
主句用现在时：表示此事任何时候都是可能的,尤其是 现在。
主句用将来时：表示此事将来的可能性。
If she’s travelling abroad on business, she always phones me every evening.
Shall we go out if the weather’s good?
时间 让步 条件 原因 目的
语法题考频分析
3
If
If 真实条件句（陈述语气） If you read the book, you will be interested
in it.
非真实条件句（虚拟语气） If I were you, I would take his advice.
(15虹口二模)如果你忘记通知他面试时间了该怎么办？ What if you forget to inform him of the time for the interview?
10
If
d. if only vs. only if
if only 但愿，要是……就好了 表示一个不可能实现愿望，要用虚拟语气。
we avoid a severe water shortage later on.
A. If only
B. As long as
C. When only D. Only if
If we take steps to deal with this problem, we can avoid a severe water shortage later on. Only放在句首，句子要用部分倒装。 Only if we take steps to deal with this problem can we avoid a severe water shortage later on.
5
If
b. 句型
If you work harder, you will succeed.
Work harder, and you will succeed. Work harder, or you won’t succeed. Working harder, you will succeed.
only if 只有 等于only on condition that，从句用陈述语气。
Only只i有f y当ou你h给e冰at加ic热e ，do它es才i会t t变ur成n水to。water.
If only I knew!
要是我知道该多好。
11
选择题：
___D__we take steps to deal with this problem can
7
选择题：
Start out right away, _____Cyou’ll miss the first train. A. and B. but C. or D. while
_____, and I’ll get the work finished.(06重庆) A.BHave one more hour B. One more hour C. Given one more hour D. If I have one more hour