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初二英语下册单词复习(2)

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  宾语从句的时态

主句

宾语从句

一般现在时

一切时态

一般过去时

过去范畴的某一时态(一般过去时;过去进行时;过去完成时;过去将来时)

  如果主句的时态是一般现在时,宾语从句该用什麽时态就用什麽时态。

  I don’t think (that) you are right.

  Please tell us where he is.

  Can you tell me how I can get to the railway station?

  如果主句的时态是一般过去时,宾语从句只能用相应的过去时态(一般过去时, 过去进行时, 过去将来时,过去完成时)。例如:

  He asked what time it was.

  He told me that he was preparing for the sports meet.

  He asked if you had written to Peter.

  知识拓展:

  宾从的主语与主句的主语(或宾语)相同时,可把从句替换为“疑问词 + to do”

  ①.I haven’t decided where I will go =I haven’t decided where to go

  ②.He asked me what I bought = He asked me what to buy.

  2、状语从句

  ★ 时间状语从句

  1)由 when,as soon as ,before 等引导的时间状语从句用一般现在时表示将来时间。

  2)带有till或until引导的时间状语从句的主从复合句里,如果主句用肯定式,其含义是“一直到……时”,谓语动词只能用延续性动词。如果主句用否定式,其含义是“直到……才……”, “在……以前不……”, 谓语动词可用瞬间动词。例如:

  The young man read till the light went out.

  We won’t start until Bob comes.

  ★ 条件状语从句

  1)条件状语从句遵循“主将从现”原则,一般现在时表示将来时间。

  2)“祈使句 + and (or)+ 陈述句” 在意思上相当于一个带有条件状语从句的复合句。

  Hurry up, or you’ll be late. =If you don’t hurry up, you’ll be late.

  ★ 结果状语从句

  结果状语从句由so…that, such…that, so that

  此知识点牵扯到重点词汇中的 so +adj.+a/an+单数名词

  such+a/an+adj.+单数名词

  such +adj.+复数名词、不可数名词,

  当adj.是many/much/few/little时用so

  3、to do 和doing做宾语

  常考的动词后加-ing.

  1. Enjoy doing sth 喜欢做某事

  2. Like doing sth 喜欢做某事

  3. Have fun doing sth 玩得开心

  4. Practice doing sth 练习做某事

  5. Spend doing sth 花费时间做某事(主语是人)

  6. Keep doing sth 保持一直做某事

  7. How about doing sth 做某事怎么样(表建议)

  8. What about doing sth 做某事怎么样(表建议)

  9. Have a difficulty doing sth 做某事有困难

  10. Have a good time doing sth 玩得开心

  11. Feel like doing sth 想要做某事

  12. Can’t help doing sth 禁不住做某事

  13. start doing sth 开始做某事

  14. go on doing sth 继续做某事

  15. mind doing sth 介意做某事

  16. finish doing sth 完成做某事

  17. be busy doing sth 忙于做某事

  18. see/hear sb doing 看到/听到某人正在做某事

  19. remember doing sth 记住曾做过某事

  20. forget doing sth 忘记曾做过某事

  21. try doing sth 做某事试试看有何效果

  22. mean doing sth 意味着做某事

  23. can't help doing sth 禁不住做某事

  24. stop doing sth. 停止正在做的事

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