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英语 八年级 上册 配上海教育版
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教与学 学导练 英语 八年级 上册 配上海教育版
Unit 7 Memory
Module 4 School life
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教与学 学导练 英语 八年级 上册 配上海教育版
第3课时 Grammar
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教与学 学导练 英语 八年级 上册 配上海教育版
目 录
CONTENTS
01
语法聚焦
02
课堂练习
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教与学 学导练 英语 八年级 上册 配上海教育版
条件状语从句
1. if引导的条件状语从句
(1)if意为“如果”时,可引导条件状语从句,表示在某条件下,某事可能会发生。“if+从句”既可放在主句之前,也可放在主句之后。放在主句之前时,常用逗号与主句隔开。if引导的条件状语从句的时态通常为“主将从现”。
语法聚焦
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教与学 学导练 英语 八年级 上册 配上海教育版
(2)时态:
时 态 要 点 举 例
主现从现 讲述自然规律或客观真理时,主句和if从句都用一般现在时 If you take a fish out of water, it dies.如果你把鱼从水中拿出,它会死。
主将从现 谈论将来可能出现的情况时,主句可用一般将来时,if从句用一般现在时 I'll buy a car if I have enough money. 如果我有足够的钱,我会买一辆车。
主祈从现 谈论将来可能出现的情况时,主句也可用祈使句,表示提醒或告诫 Please let me know if Tom comes back. 如果汤姆回来了,请让我知道。
Please put up your hand if you have any questions to ask. 如果你们有问题要问的话,请举手。
主情从现 谈论将来可能出现的情况时,主句也可用情态动词 If I get there early, I can see the doctor quickly. 如果我早点到那里,我就可以快点看医生。
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教与学 学导练 英语 八年级 上册 配上海教育版
2. unless引导的条件状语从句
unless意为“除非;如果不”,引导条件状语从句时的时态与if从句基本一致,可与if … not引导的条件状语从句互换。如:
Let's go out for a walk unless you are too tired.=If you are not too tired, let's go out for a walk.如果你不太累的话,我们出去散散步吧。
You will fail to arrive there in time unless you start earlier.=If you don't start earlier, you will fail to arrive there in time.如果你不早点出发,你就不能及时到达那里。
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教与学 学导练 英语 八年级 上册 配上海教育版
3. 引导条件状语从句的其他连词:as long as
as long as意为“只要”,相当于so long as,也可引导条件状语从句。如:
You can borrow the book as long as you keep it clean.只要你不把这本书弄脏,你就可以借走它。
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教与学 学导练 英语 八年级 上册 配上海教育版
一、用所给单词的适当形式填空
1. If you ____________ (put) dry wood into the fire,it ________________ (burn).
2. I _________________(win) the first prize unless I make the most careless mistake.
3. I ___________ (give)the book to him if he ____________ (come)here.
4. You ________________(fail) unless you work hard.
5. Tony will come to my birthday party if it _________________ (not rain) tomorrow.
课堂练习
put
burns
will win
will give
comes
will fail
doesn't rain
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教与学 学导练 英语 八年级 上册 配上海教育版
二、单项填空
( )1. You can feel better _________ you take a walk in the park just for 20 minutes.(2024福建)
A. if B. before C. until
( )2. We can't go swimming _________ our parents are with us.(2024四川自贡)
A. if B. when C. unless
A
C
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教与学 学导练 英语 八年级 上册 配上海教育版
( )3. He _________ much healthier if he _________ enough exercise in his free time.(2024黑龙江绥化)
A. is; take B. will be; takes C. will be; take
( )4. _________ you are too tired to do all the things on your To-Do list, try a To-Don't list.(2024江苏扬州)
A. If B. Until
C. Although D. Unless
B
A
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教与学 学导练 英语 八年级 上册 配上海教育版
( )5. Everything is possible _________ you work hard.(2024四川遂宁)
A. as much as B. as soon as
C. as long as D. as far as
C
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教与学 学导练 英语 八年级 上册 配上海教育版
三、语法填空
Do you have such experiences? When you are introducing someone to the listeners, suddenly you can't come up 1. _________ his or her name. Or you can't remember where you've put your valuable things. Most people have similar experiences, but most of them haven't 2. ______________ (realize)that they have a memory problem. If you believe memory can be improved, the following 3. _________________(show) you how to improve it.
with
realized
will show
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教与学 学导练 英语 八年级 上册 配上海教育版
First, relax. If you keep 4. _________ (tell)yourself that your memory is bad, your mind will come to believe it and you won't remember things well. But relaxing 5. _________ (be) not enough. To improve your memory, you'll need to take 6. _________ active role. Like your body, you can make your memory strong. Look for 7. _________ (chance)to exercise your memory.
telling
is
an
chances
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教与学 学导练 英语 八年级 上册 配上海教育版
If you don't take notice of things 8. ___________ (active), you won't remember them. So, you can make pictures of what you see in your mind every day. For example, don't just put 9._________(you) keys down! 10._________ you want to find the keys again, make a mind picture of the place where you have put them.
actively
your
If
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教与学 学导练 英语 八年级 上册 配上海教育版
THANKS!
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教与学 学导练 英语 八年级 上册 配上海教育版
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