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
【歸納總結(jié)】
1. if意為“如果”,引導(dǎo)條件狀語從句,可放在主句后,也可放在主句前,常用逗號(hào)隔開。如題1。
2. 含if引導(dǎo)的條件狀語從句的復(fù)合句中,主句有下列情況時(shí),從句用一般現(xiàn)在時(shí)
表示將來意義。
當(dāng)主句為一般將來時(shí)態(tài)時(shí)。如: If your daughter comes, I will call you up.
當(dāng)主句是祈使句時(shí)。如: Please stay at home if it rains tomorrow.
當(dāng)主句的謂語含有can, may, must等情態(tài)動(dòng)詞時(shí)。如:
If he goes on smoking, it may be very bad for his health.
當(dāng)主句的謂語是hope, wish, want等動(dòng)詞時(shí)。如:
I want to go there if the rain stops.
【貼示一】 if 還可以當(dāng)“是否”講,主要用于賓語從句,相當(dāng)于whether,從句的時(shí)態(tài)根據(jù)語境來確定。如題2。而if引導(dǎo)的條件狀語從句中,常用一般現(xiàn)在時(shí)表將來。
【貼示二】 條件狀語從句中動(dòng)詞do的替代作用:
在日常交際過程中,為了避免重復(fù),英語中常用do來替代上文所提到的動(dòng)作(即
行為動(dòng)詞或短語)。如題3。又如:
— I’ll go to school on foot today.
— If you do, you’ll be late for class.
相關(guān)內(nèi)容:
分詞的時(shí)態(tài)
英語語法:表示轉(zhuǎn)折或?qū)Ρ?/p>
語法:讓步狀語從句
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
【歸納總結(jié)】
1. if意為“如果”,引導(dǎo)條件狀語從句,可放在主句后,也可放在主句前,常用逗號(hào)隔開。如題1。
2. 含if引導(dǎo)的條件狀語從句的復(fù)合句中,主句有下列情況時(shí),從句用一般現(xiàn)在時(shí)
表示將來意義。
當(dāng)主句為一般將來時(shí)態(tài)時(shí)。如: If your daughter comes, I will call you up.
當(dāng)主句是祈使句時(shí)。如: Please stay at home if it rains tomorrow.
當(dāng)主句的謂語含有can, may, must等情態(tài)動(dòng)詞時(shí)。如:
If he goes on smoking, it may be very bad for his health.
當(dāng)主句的謂語是hope, wish, want等動(dòng)詞時(shí)。如:
I want to go there if the rain stops.
【貼示一】 if 還可以當(dāng)“是否”講,主要用于賓語從句,相當(dāng)于whether,從句的時(shí)態(tài)根據(jù)語境來確定。如題2。而if引導(dǎo)的條件狀語從句中,常用一般現(xiàn)在時(shí)表將來。
【貼示二】 條件狀語從句中動(dòng)詞do的替代作用:
在日常交際過程中,為了避免重復(fù),英語中常用do來替代上文所提到的動(dòng)作(即
行為動(dòng)詞或短語)。如題3。又如:
— I’ll go to school on foot today.
— If you do, you’ll be late for class.
相關(guān)內(nèi)容:
分詞的時(shí)態(tài) 英語語法:表示轉(zhuǎn)折或?qū)Ρ?語法:讓步狀語從句