高考英语 条件状语从句 课件（共19张）-2026届高三下学期英语二轮复习专项

(共19张PPT)
Adverbial clause of condition
条件状语从句
2026届高考二轮专题复习
---It's raining hard.
---We'll get wet if we go out.
在英语中，条件指某一事情实现之后（状语从句中的动作），其他的事情才能发生（主句中的动作）。
条件
“如果”
Observation and finding
1. If I don’t fight for it , who will
2. And if you ever need anything, just give me a call.
3. If they get it right, the rewards(奖励；奖品) are huge.
4. If you come, you may never get back home.
5. If he is innocent (无辜的；无罪的), why is this taking so long
6. If you put that ice cream in your mouth, you are going to be in big trouble young man.
Observe & find
观察下列句子，注意主从句所使用的时态，找出规律
主句 条件状语从句
1
2 祈使句
3
4
5 现在进行时
6
一般将来时
一般现在时
情态动词
be going to
一般现在时
主将从现
1. Would you hold my hand, if I saw you in heaven
2. If I had not done what I did, you would all be dead.
Observe & find
观察下列句子，翻译句子，体会与第一组句子的不同。
虚拟语气
主句 条件状语从句
与现在的事实相反 would+动词原形
与将来的事实相反 would+动词原形 should+动词原形
与过去的事实相反 would have done
虚拟条件句（假设条件下不能实现则用虚拟语气）
一般过去时
(be 用______)
were
过去完成时
If there ________ (be) no water, there would be no life on earth at all.
were
1. If you work hard, you will succeed.
2. work hard, and you will succeed.
3. work hard, or you won't succeed.
4. working hard, you will succeed.
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.
Giving me somewhere to stand, I will move the earth.
Application and extension
Writing
1. I would appreciate it if...
I would appreciate it if you could introduce some places of interest.
主题：给学校，社区，某项活动提建议，结尾句可用：如果您能考虑我的建议，我将不胜感激
I would appreciate it if you could consider my suggestions.
2. What if...
what if the roads then become congested
3. only if...
Only if we take action to deal with this problem can we avoid a serious disaster.
4. if...not
You won't arrive there on time if you don't take a plane.
You won't arrive there on time unless you take a plane.
除非；如果不
Writing
如果你不能自己找到有效的改善学习的方法，对你来说，很难获得大的进步。(effective有效的)
It is very difficult for you to make great progress unless you can find out the effective methods of improving learning by yourself.
1. you can/can't find out the effective methods of imroving learning by yourself.
2. It is very difficult for you to make great progress.
1. As/So long as we don't lose heart, we will find a way to overcome the difficulty.
2. You may use the room on condition that you clean it.
3. In case I forget, please remind me of my promise.
4. Provided/ Providing (that) we invite him, he would surely come to dinner.
5. Suppose/Supposing we can't get enough food, what shall we do
条件状语从句除了可以用if，unless引导以外，还可以用_______________，______________，___________，___________________，_______________ 等引导
as/so long as
on conditin that
in case
provided/providing
suppose/supposing
1. He will come if (he is) asked.
2. He would never do this unless (he is) forced.
3. If (you are) in doubt, contact our local office.
4. If (you are) in trouble, call me immediately.
有些条件句可省略某些成分或改成
短语：
在条件状语从句中，当从句主语与主句主语一致或从句主语是it, 从句的谓语部分含有be动词时， 可以将从句中的主语与be动词一起省略。
Drilling and presentation
2. You'll fail the exam unless you study hard
除非你努力学习，否则你考试会不及格。
1. You will be late for school if you get up late.
写出下列句子的同义句/或者翻译句子，注意条件状语从句的引导词
① As long as you don't lose heart, you'll succeed.
你只要不灰心就会成功。
② Suppose/Supposing (that) they refuse us, who else can we turn to for help
假如他们拒绝了我们，我们还能求助于谁？
③ In case there is a fire, what will we do first
如果发生火灾，我们首先做什么？
④ They agreed to lend us the car on condition that we returned it before the weekend.
他们同意借车给我们, 条件是周末以前归还。
⑤ We'll buy everything you produce, provided of course the price is right.
当然了, 倘若价格合适, 我们将采购你们的全部产品。
1. __________ (如果我看见她), I’ll invite
her to the party.
2. You’ll be late for school
________________________________
(除非你早起半小时)
3. _______________ (倘若你失败了), what
will you do next
If I see her
Suppose you fail
unless you get up half an hour earlier.
Translation.