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1、单元语法专练,初中常用的动词时态 1.动词时态结构。 ( 1 )一般现在时:主语+be动词( am/is/are )/动词原形/动词的第三人称单数形式+其他。 ( 2 )一般过去时:主语+动词的过去式+其他。 ( 3 )现在进行时:主语+am/is/are+动词的现在分词+其他。 ( 4 )过去进行时:主语+was/were+动词的现在分词+其他。 ( 5 )一般将来时:主语+shall/will/be going to+动词原形+其他。 ( 6 )现在完成时:主语+have/has+动词的过去分词+其他。,2.时态标志词。,注意:以下几种情况多用一般现在时。 ( 1 )在if,unless等
2、引导的条件状语从句或when,until,as soon as等引导的时间状语从句中,当主句是一般将来时,从句通常用一般现在时表示将来。例如: Well have a sports meeting if it doesnt rain next Saturday.如果下周六不下雨,我们将举行运动会。 ( 2 )当宾语从句陈述的是客观真理时,不管主句是何种时态,从句都要用一般现在时。例如: My mother told me that the Sun rises in the east.我的妈妈告诉我太阳从东方升起。,3.非延续性动词和延续性动词在现在完成时中的应用。 ( 1 )若句中出现时间段,
3、则必须使用延续性动词。例如: Her lovely dog has been dead for 10 days.她那只可爱的狗死了已经有10天了。 ( 2 )常见的非延续性动词与延续性动词之间的转化。,.单项填空 ( B )1.Is your mother a teacher? Yes,she is.She at a junior high school. A.taught B.teaches C.will teach D.have taugt ( A )2.When will Uncle Sam come to see us? Hell visit us this weekend.He me
4、 that by email. A.told B.is told C.will tell D.was going to tell ( A )3.Sherlock Homes asked the man what he at 19:00 yesterday. A.was doing B.has done C.is doing D.would do,( D )4.Do you have any plans for tonight? Yes,I at the new Italian restaurant in town. A.eat B.have eaten C.ate D.am going to
5、eat ( C )5.Helen,when did you move here? I here since two years ago. A.moved B.lived C.have lived D.have moved,.根据汉语意思完成句子,每空一词 1.看!记者正在采访我们校长。 Look!The reporter is interviewing the headmaster of our school. 2.我父母明天要去伦敦。 My parents are leaving for London tomorrow. 3.丹尼尔前天给我打来了电话。 Daniel called me the day before yesterday. 4.昨晚米莉在看电视时,西蒙在玩电脑游戏。 Simon was playing computer games while Millie was watching TV last night. 5.她已经打了一个小时的电话了。 She has been on the phone for an hour.,
