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英语语法:If 条件状语从句练习题

时间:2024-07-16 23:11:52 来源:网络 作者:mrcsb 人气:
【导读】:1. If he hard, he will get good grades.A. study B. studiesC. will study D. studied2. I want to know if Mary to the party tomorrow.A. go B. wentC. will go D. g...

1. If he hard, he will get good grades.

A. study B. studies

C. will study D. studied

2. I want to know if Mary to the party tomorrow.

A. go B. went

C. will go D. goes

3. Everyone must dress up. If you , they won’t let you in.

A. don’t B. won’t

C. can’t D. mustn’t

4. Mary will go to Sanya if she a five-day trip.

A. have B. had

C. will have D. has

5. If he comes late, he will miss the train.

A. and B. so

C. / D. or

【归纳总结】

1. if意为“如果”,引导条件状语从句,可放在主句后,也可放在主句前,常用逗号隔开。如题1。

2. 含if引导的条件状语从句的复合句中,主句有下列情况时,从句用一般现在时

表示将来意义。

当主句为一般将来时态时。如: If your daughter comes, I will call you up.

当主句是祈使句时。如: Please stay at home if it rains tomorrow.

当主句的谓语含有can, may, must等情态动词时。如:

If he goes on smoking, it may be very bad for his health.

当主句的谓语是hope, wish, want等动词时。如:

I want to go there if the rain stops.

【贴示一】 if 还可以当“是否”讲,主要用于宾语从句,相当于whether,从句的时态根据语境来确定。如题2。而if引导的条件状语从句中,常用一般现在时表将来。

【贴示二】 条件状语从句中动词do的替代作用:

在日常交际过程中,为了避免重复,英语中常用do来替代上文所提到的动作(即

行为动词或短语)。如题3。又如:

— I’ll go to school on foot today.

— If you do, you’ll be late for class.

相关内容:

分词的时态

英语语法:表示转折或对比

语法:让步状语从句

1. If he hard, he will get good grades.

A. study B. studies

C. will study D. studied

2. I want to know if Mary to the party tomorrow.

A. go B. went

C. will go D. goes

3. Everyone must dress up. If you , they won’t let you in.

A. don’t B. won’t

C. can’t D. mustn’t

4. Mary will go to Sanya if she a five-day trip.

A. have B. had

C. will have D. has

5. If he comes late, he will miss the train.

A. and B. so

C. / D. or

【归纳总结】

1. if意为“如果”,引导条件状语从句,可放在主句后,也可放在主句前,常用逗号隔开。如题1。

2. 含if引导的条件状语从句的复合句中,主句有下列情况时,从句用一般现在时

表示将来意义。

当主句为一般将来时态时。如: If your daughter comes, I will call you up.

当主句是祈使句时。如: Please stay at home if it rains tomorrow.

当主句的谓语含有can, may, must等情态动词时。如:

If he goes on smoking, it may be very bad for his health.

当主句的谓语是hope, wish, want等动词时。如:

I want to go there if the rain stops.

【贴示一】 if 还可以当“是否”讲,主要用于宾语从句,相当于whether,从句的时态根据语境来确定。如题2。而if引导的条件状语从句中,常用一般现在时表将来。

【贴示二】 条件状语从句中动词do的替代作用:

在日常交际过程中,为了避免重复,英语中常用do来替代上文所提到的动作(即

行为动词或短语)。如题3。又如:

— I’ll go to school on foot today.

— If you do, you’ll be late for class.

相关内容:

分词的时态 英语语法:表示转折或对比 语法:让步状语从句

文章标签:
    英语语法,英语学习
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