掌握确定动词非谓语形式的方法

编辑: 逍遥路 关键词: 高中英语 来源: 高中学习网


  如果所填的动词在句子中不作谓语,那么就应考虑用动词的非谓语形式。动词的非谓语形式主要有:动词不定式、动词的-ing形式、过去分词等。到底采用哪一种形式,要根据习惯搭配、各种非谓语形式的用途和特点、修辞及句子结构的要求等方面来决定。
  1. 在be busy,what about,how about等之后用动词的-ing形式。例如: What about playing football now?
  2. 在介词之后一般动词应用-ing形式。例如:He does well in playing basketball.
  3. 在keep,enjoy,finish,mind等动词后用动词的-ing形式。 例如:You kept forgetting to bring your book.
  4. 在动词decide,hope,wish,plan等后面用动词不定式作宾语,而在ask,tell,order,invite之后用动词不定式的复合结构,即“ask sb to do sth”的形式。例如: Li Lei decided to help Mary with her English. Mr Smith asked me to help him.
  5. 在see,hear,watch,notice,let,make,help 等后面作宾语补足语的动词不定式可省略不定式符号 to. 例如:A woman saw it happen when she was walking past.
  6. 在It‘s time(for sb) to do sth / It’s very kind (nice,good) of sb to do sth / It takes sb some time to do sth的句型中使用不定式短语作句子的真正主语。例如:It‘s time for us to go to school.
  7. “疑问代 / 副词(why除外) +to do sth”结构在句中可做主语、表语或宾语。例如:The question is when to start. I don‘t know where to go.
  「实例操作」
  用所给动词的正确形式填空。
  1. Tom didn‘t know where ________(go) .
  2. The boy ________(stand) under the tree is my brother Jim.
  3. Books ________(write) in easy English are very popular in middle schools of China.
  4. The old men enjoy ________(listen) to the singing of the birds.
  5. Tom told his teacher he______( not finish ) his homework yet.
  6. Hurry up!The play________ (be on ) for ten minutes.
  7. Do you know if he ________ back next week?If he ________ back,please let me know. (come)
  8. —When ________ this kind of computer ________?—Last year. (use )
  9. —Hi!Lin Tao. I didn‘t see you at the party.
  —Oh,I ________ (get) ready for the maths exam.
  10. The teacher told us yesterday that December 25 ________ (be ) Christmas Day.
  「答案与解析」
  1. 动词go的逻辑主语是Tom,须用go的不定式形式。在此,where to go作宾语。
  2. 主语boy与动词stand是主动关系,句中又有谓语,故须用动词stand的现在分词形式standing,与其后的介词短语构成分词结构作句中主语的定语。
  3. 主语books与动词write是被动关系,句中又有谓语,故须用动词write的过去分词形式written,与其后的介词短语构成分词结构作句中主语的定语。
  4. enjoy,practise,finish,prefer等动词在句中作谓语时,其后常用动词的-ing形式。故正确答案是:listening.
  5. 若主句中谓语动词用过去时,则其从句谓语动词须用过去时的某种形式。故正确答案是hadn‘t finished.
  6. has been on.since后接时间的起点,for后接时间段,主句动词用现在完成时,应注意瞬间动词与延续性动词的使用。
  7. will come;comes.if既可引导宾语从句,也可引导状语从句。充当宾语从句的连接词时,相当于whether,词义是“是否”。充当状语从句的连接词时,词义是“如果”。从时态看,if引导宾语从句时谓语动词的时态应根据主句的时态作相应的变化;引导表示将来动作或状态的条件状语从句时,若主句用一般将来时,则从句通常用一般现在时表示将来。
  8. was;used.此题由下句的时间状语推断出一般过去时,并且要考虑到使用被动语态。
  9. was getting.此题由didn‘t,at the party推断出应用过去进行时。
  10. is.有些句子其动词的时态是“违背常理”的。如宾语从句表示的是一个客观事实或客观真理时,其时态不受主句限制而用一般现在时表示。


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