初中英语if条件状语从句ppt课件.ppt

If we work harder,
our dreams will come true.
By : 张巧玲
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Dear Jenny,
Thanks for inviting me to the party. Of course
present, you are happy. I hope it won’t rain that day. ②
Because if it won’t rain, my little son will come, too. ③
If he comes, you aren’t disappointed, he is really funny.④
OK, see you on the party.
Yours,
will be
doesn’t
give
won’t be
I’ll go to the party. And I think if I will give you a ①
Please help me correct the sentences.
Rose
Correct and Write
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if 引导的条件状语从句
时态－－主将从现
主句一般将来时，从句一般现在时
例句１　如果你努力工作，你的梦想将会实现．
If you work hard, your dream will come true.
例句２　如果明天下雨，我将不出去散步．
If it rains tomorrow,
I won’t go out for a walk.
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If 引导条状语从句时，从句中用一般现在时代替一般将来时。
If he ______(go) to the movies,he won’t finish his work.
goes
If I ________(become) a doctor,I can help others.
become
If we _______(have )time, we will go to the park tomorrow.
have
如果你去， 我也去。
If you go,I will go.
如果明天下雨，请带雨衣。
Please take a raincoat if it rains.
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1. If (如果……) 引导的条件状语从句, 主句用一般将来时,从句用一般现在时.（主将从现）
I won’t go by plane if it rains tomorrow.
If you don’t hurry , you’ll miss the train.
注意:,要用逗号与主句隔开.
If引导的宾语从句,常译为是否,应注意时态变化.
I don’t know if he will come tomorrow.
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If 后紧跟的句子叫从句,另一个句子叫主句, 主句和从句次序可以互相调换。 If you study hard, you’ll get good grades.
You’ll get good grades if you study hard.
“主将从现”不仅在if条件句,也用在其它时间状从:
（1）until引导的时间状语从句
The bus won’t start until everybody gets on .
公共汽车直到每人都上车为止，才开动。
（2）as soon as （一…就）引导的时间状语
Mike will tell you as soon as he comes .
Mike一来就会告诉你。
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no war, the world, more beautiful,
If there is no war,
the world will be more beautiful.
she, not exercise enough, heavier
If she doesn’t exercise enough,
she will be heavier.

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If he cleans the room , he can get $10 from his mother .
If I watch TV late , I can’t get up early .
If