2012中考英语语法点：时态精讲

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        　　时态的运用比较复杂，好多同学因为做题时不知应用哪种时态而挠头皮。其实你只要把易混的时态掌握好，对你来说时态就没有什么难点可言了。而你易混的时态无非是一般过去时和现在完成时，一般过去时和过去完成时的比较罢了。这有何难?看看下面的分析，你会发现一切"as easy as A B C"。
        　　一般过去式和现在完成时：
        　　一般过去式只是表示事情发生在过去，陈述一个事实，它可以和确定的表示过去的时间状语如：last night, in 1999, three days ago等连用。而现在完成时表示某一完成的动作对现在造成的影响或结果，强调的是现在的情况，所以它不能和确定的表示过去的时间状语连用。
        　　如： We have seen that film. 我们已看过那部电影。 对现在造成的影响是我们对影片已有所了解。 We saw the film last night. 昨天晚上我们看了那部电影。只说明昨天晚上看电影这一事实。
        　　注意：有些时间状语，如this morning,tonight, this month 等，既可用于一般过去时，又可用于现在完成时，但所表达的意义有所不同。用于现在完成时表示包括现在在内，而用于一般过去式则与现在无关。如： I have read this book this April.(说话时仍然为四月。) I read this book this April. (说话时四月份已过。)
        　　一般过去式和过去完成时的比较：
        　　一般过去式表示过去时间发生的动作或存在的状态，而过去完成时在过去某一时间或动作之前已完成的动作或状态，即"过去的过去"。当强调过去某一动作发生在某一动作之前时，常用此时态。
        　　如： He had finished his homework before nine o'clock.　九点之前他已经完成了作业。实际上，一般现在时和过去完成时常搭配使用。如： When he got home, his daughter had already gone to bed. 当他到家的时候，他的女儿早已去睡觉了。
        　　在带有after和before引导的时间状语从句的复合句中，由于从句的动作和主句的动作发生的先后顺序已经非常明确，所以可以用一般过去时代替过去完成时。　如：He called on me soon after he had finished his homework. 他做完作业后不久便来拜访我。也可以说： He called on me soon after he finished his homework.
        　　哇塞，我们终于学完了所有时态，摩拳擦掌，试试趁热打铁!
        　　练习：
        　　1. Zhao Lan ____ already ___ in this school for two years.
        　　A. was...studying
        　　B. will ... study
        　　C. has ...studied
        　　D. are studying
        　　2. They usually _____ TV in the evening.
        　　A. watch
        　　B. will watch
        　　C. are watching
        　　D. watches
        　　3. Judy _____ the Great Wall twice, and now she still ______ to go there.
        　　A. went to , wanted
        　　B. goes to , wants
        　　C. has gone , wants
        　　D. has been to, wants
        　　4. She will find him a kind man when she _______ more about him.
        　　A. knows
        　　B. know
        　　C. will know
        　　D. is going to know
        　　5. --What are you going to give our teacher for Teacher's Day?
        　　--I'm not sure. Maybe I _____ him some flowers.
        　　A. have given
        　　B. will give
        　　C. gave
        　　D. give

zkfive

        　　6. --Tom ______ out.
        　　--Oh, is he? What time _____ he _____ out?
        　　A. is, did, go
        　　B. went, is ,going
        　　C. has gone, did, go
        　　D. is going, does, go
        　　7. It's nine o'clock now, they ______ an English class.
        　　A. have
        　　B. are having
        　　C. having
        　　D. will have
        　　8. --" Where is Li Lei?"
        　　--" He _______ his sports shoes in the room. He ______ football with his friends."
        　　A. is putting on , is playing
        　　B. puts on, will play
        　　C. is putting on , will play
        　　D. put on, played
        　　9. Miss Smith with her parents ______ China since _________.
        　　A. have been in , two years ago
        　　B. has gone to, two years
        　　C. have been to, two years
        　　D. has been in, two years ago
        　　10. When I knocked at the door, my mother _______.
        　　A. is cooking
        　　B. cooked
        　　C. was cooking
        　　D. cooks
        　　实践：
        　　1. Jack's father is ______ doctor.
        　　A. a
        　　B. an
        　　C. some
        　　D. /
        　　2. He often does some washing ______ Sunday.
        　　A. at
        　　B. in
        　　C. on
        　　D. by
        　　3. This room is ours, and that one is ________.
        　　A. they
        　　B. them
        　　C. their
        　　D. theirs
        　　4. Tom is _______ boy in his class.
        　　A. tall
        　　B. taller
        　　C. tallest
        　　D. the tallest
        　　5. "Can you come here next Friday?"
        　　"Sorry, I _______."
        　　A. can't
        　　B. mustn't
        　　C. needn't
        　　D. may not

zkfour

        　　6. Did you ______ the football match last night?
        　　A. see
        　　B. watch
        　　C. look
        　　D. read
        　　7. There ________ many high buildings in this city.
        　　A. is
        　　B. are
        　　C. have
        　　D. has
        　　8. John has two brothers. One is an artist, ________ is a scientist.
        　　A. the others
        　　B. another
        　　C. the other
        　　D. others
        　　9. The man asked the policeman _______.
        　　A. let hime to go
        　　B. to let him to go
        　　C. let him go
        　　D. to let him go
        　　10. Please _______ page 54 and read lesson Twelve.
        　　A. turn to
        　　B. turn into
        　　C. turn in
        　　D. turn on
        　　11. He did not go home ______ he finished the work.
        　　A. of
        　　B. because
        　　C. until
        　　D. since
        　　12. The old man was _______ tired that she couldn't walk on.
        　　A. so
        　　B. too
        　　C. very
        　　D. quite
        　　13. We are busy ________ our lessons these days.
        　　A. prepare
        　　B. preparing
        　　C. to prepare
        　　D. prepared
        　　14. I'll go with you if I ________ free tomorrow.
        　　A. will be
        　　B. shall be
        　　C. am
        　　D. was
        　　15. Do you know ________?
        　　A. where does he live
        　　B. where he lives
        　　C. he where lives
        　　D. he lives where
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