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小升初英语语法祈使句知识点：祈使句与非谓语动词

2016-12-22 10:23:27来源：网络

　　新东方在线小学网整理了2017年小升初英语语法大全，供同学们参考，希望能够帮助同学们提高学习成绩。

　　小升初英语语法祈使句知识点：不要混淆祈使句与非谓语动词

　　有这样一道语法考题，该用动词原形？还是用非谓语动词？

　　_________ the road round to the right and you’ll find his house.

　　A. Follow B. Following C. To follow D. Followed

　　【分析】此题容易误选B或C，许多同学一看选项就想当然地认为，选现在分词表示时间或伴随，选不定式表目的。此题的关键是要注意句中的连词and，它表明整个句子是一个并列句，即 and 前后应各是一个独立的句子，而不应是一个非谓语形式的短语，所以此题的正确答案应选A，即 and 前是一个祈使句。比较以下两题：

　　(1) _________ the road round to the right， she found his house.

　　A. Follow B. Following C. To follow D. Followed

　　【分析】此题应选B，现在分词短语表时间。

　　(2) _________ the road round to the right， the blind man asked a boy to guide him.

　　A. Follow B. Following C. To follow D. Followed

　　【分析】此题应选C，不定式短语表目的。

　　注意以下各题均应选A，均因为句中的并列连词 and(填空句为祈使句)：

　　(1) _________ the milk and set a good example to the other children.

　　A. Drink B. To drink C. Drinking D. Having drinking

　　(2) _________ me， and don’t just stand there laughing.

　　A. Answer B. To answer C. Answering D. To be answering

　　(3) _________ me ， and then try to copy what I do.

　　A. Watch B. Watching C. To watch D. Have watching

　　(4) _________ through this book and tell me what you think of it.

　　A. Look B. Looking C. To look D. Having looked

　　(5) _________ it with me and I’ll see what I can do.

　　A. Leave B. Leaving C. If you leave D. When left

　　注：有时可能不用连词，而用破折号(答案均选B，填空句为祈使句)。如：

　　(1) _________ down the radio — the baby’s asleep in the next room.

　　A. Turning B. Turn C. Turned D. To turn

　　(2) _________ some of this juice — perhaps you will like it.

　　A. Trying B. Try C. To try D. Having tried

　　以下各题也应选A，是因为句中的从属连词 when， before， until 等(填空句为祈使句)：

　　(1) _________ left when you get to the end of the street.

　　A. Keep B. Keeping C. To keep D. Kept

　　(2) _________ you hand over your mouth when you cough.

　　A. Put B. Putting C. To put D. To be putting

　　(3) _________ him enough time to get home before you telephone.

　　A. Give B. To give C. Giving D. Given

　　(4)_________ until the lights have turned to green.

　　A. Wait B. To wait C. Waiting D. Having waited

　　(5) _________ the pieces of cloth with a loose stitch before finally sewing them together.

　　A. Join B. To join C. Joining D. Joined

　　以下各题也应选A，即填空句为祈使句：

　　(1) Don’t give me a long account， just _________ the plain facts.

　　A. tell B. telling C. to tell D. to be telling

　　(2) First _________ the rice by washing it， then _________ it in boiling water.

　　A. prepare， cook B. preparing， cooking C. preparing， cook D. prepare， cooking

　　(3) Don’t sit there watching — _________ and help me！

　　A. come B. coming C. to come D. to be coming

　　(4) Don’t waste your money on silly things — _________ it.

　　A. save B. to save C. saving D. having saved

　　(5) To test eggs， _________ them in a bowl of water： if they float they’re bad， if they sink they’re good.

　　A. put B. putting C. to put D. to be putting

　　但是，以下各题情形有所不同，所填部分为目的状语(用不定式，即答案均为B)：

　　(1) _________ late in the morning， Bob turned off the alarm.

　　A. Sleep B. To sleep C. Sleeping D. Having slept

　　(2) _________ the early bus， Mr Smith got up at six.

　　A. Catch B. To catch C. Catching D. Having caught

　　(来源：新东方在线论坛)

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本文关键字: 小升初 英语语法 知识点

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