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)
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)
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)
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.
• * 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
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）
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
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)
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
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)
• 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
• 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
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
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
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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
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