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1、中学英语基本时态总结、 一般现在时1、概念:1)表示常常性或习惯性的动作,常与表示频度的时间状语连用;时间状语: always, usually, often, sometimes, seldom, never, every day, twice a week, on sunday, etc.(提问用 how often )例: i leave home for school at 7 every morning.tom gets up at 6:00 every morning.2) 客观真理,客观存在,科学事实;例: the earth moves around the sun.地球绕太阳

2、转动;shanghai lies in the east of china.上海位于中国东部;3) 格言或警句;例: pride goes before a fall.骄者必败;留意:宾语从句中, 即使主句是过去时, 从句谓语是客观真理也要用一般现在时;例: columbus proved that the earth is round.哥伦布证明了地球是圆的;2、结构:表状态s+ am/is/are+ p(句中有实义动词不用be) 表动作s+v 原+o(如主语是单三人称,谓动加s/es ;) 3、句式变化:变疑问 ,有 be 把 be 提到主语前;无 be 在主语前加 do/does,谓动变

3、为 原形;变否定 ,有 be 在 be 后加“no;t ”无 be 在主语后加 dont/doesn ,t谓动变为原形;例: they are in the classroom.are they in the classroom. yes, theyare./no, they aren t. they tairnentheclassroom he often waters the flowers . does he often water the flowers.yes, he does. / no, he doesn t. he doesn t often water the flowers

4、、 一般过去时1、 概念: 1)表示在确定的过去时间里所发生的动作或存在的状态;常用时间状语: yesterday, the day before yesterday, last week, just now,an hour ago, the other day, in 1982. at the age of 5, one day, long long ago,etc.例:where did you go just now.2)表示在过去一段时间内,常常性或习惯性的动作;例:when i was a child, i often played football in the street.2、

5、结构:表状态s+ was/were+ p表动作s+v 过去式 +o(注:句中有实义动词不用be)3、句式变化:变疑问,有 be 把 be 提到主语前;无 be 在主语前加 did ,谓动变为原形;变否定,有 be 在 be 后直接加 “not;”无 be 在主语后加 didn ,t谓动变为原形.例:she was in xian last month. was she in xian last month. yes,she was. /no, she wasn t. she wasn tainn xlaist month. danny grew a rose just now, did dan

6、ny grow a rose just now.yes, he did. / no, he didn t. danny didn t grow a rose just now,、 现在进行时:1.概念:表示现阶段或说话时正在进行的动作;时间状语: now, at this time, these days,以及有 look, listen时;例: listen !the birds are singing.2、结构: s + am/is/are + doing助动 现在分词3、句式变化:变疑问,把 am/is/are提到主语前;变否定,在 am/is/are后直接加 “not;”例: i am

7、 writing a letter now. are you writing a letter now. yes, i am./no, i m not. i am not writing a letter now注. : am 和 not 不能缩写; the boys are pla ying football. are the boys playing football.yes, they are. / no, they aren t. the boys aren t playing football.、 过去进行时:1.概念:表示过去某段时间或某一时刻正在发生或进行的动作;.时间状语:at

8、 this time yesterday, at that time,at 8:00 yesterday, 或有 when/ while 引导的时间状语从句等;例:we were having an english class at 9:30 yesterday morning.i was reading a book while my mother was watching tv.2、结构: s + was/were + doing3、句式变化:变疑问,把 was/were提到主语前;变否定,在 was/were后直接加 “not;”例: at that time they were wor

9、king in the garden. were they wgoirnkinthe garden at that time. yes, they were. / no, they weren t. at that time they were working in the garden. when he came in, i was reading a newspaper.when he came in, were you reading a newspaper. yes, i was. / no, i wasn t. when he came in, i wasn t reading a

10、newspaper.、一般将来时1.概念:表示将要发生的动作或存在的状态;时 间 词 :tomorrow, tomorrow morning, at seven o'clock tomorrow evening, next year, this year, at the end of this term, from now,in ten minutes, in 2025例: they will do an experiment tomorrow afternoon.brian is going to draw twenty pictures at the end of this ter

11、m.2、 结构: s +will+ v 原+其他will可改为 be going to , 当主语是第一人称时will 可用 shall例:which paragraph shall i read first? 我先读哪一段呢? will you/are you going to)be at home at seven this evening.3、 句式变化:变疑问,把 will 提到主语前;变否定,在 will 后直接加 “no;t ”例; she will drive to beijing next week. will she drive to beijing next week. y

12、es, she will. / no, she won t. she won t drive to beijing next week. be going to + v原表示 a.主语的意图,即将做某事;例:what are you going to do tomorrow.b. 方案,支配要发生的事;例:the play is going to be produced next month;c. 有迹象要发生的事;例:look at the dark clouds, there is going to be a storm. be +不定式:表示将来,按方案或正式支配将发生的事;例:we a

13、re to discuss the report next saturday.我们下星期六将争论这份报告 用现在进行时表示将来come, go, arrive, leave, start, begin, return等终止性动词可用现在进行时表示将来;例: i'm leaving tomorrow.明天我要走了;are you staying here till next week.你会在这儿呆到下周吗?、 现在完成时:1. 表示:过去发生或已经完成的动作对现在造成的影响或结果;时间词: ever, never, already, yet, before, just, recently

14、/ lately最近 , in the past few years2. 或从过去已经开头连续到现在的动作或状态;时间词:for +时间段,since + 过去时间点 /从句;(提问用how long )例: the countryside has changed a lot in the past few years. he has learned french for two years.2.结构: s + have/has + done助动 过去分词3. 句式变化:变疑问,把 have/has提到主语前;变否定,在 have/has后直接加 “not;”例:i've alread

15、y written an article. have you written an article yet.yes, i have. / no, i haven t. i haven t written an article yet. li ming has lived in shijiazhuang since 1993. has li ming lived in shijiazhuang since 1993. yes, he has. / no, he hasn t. li ming hasn t lived in shijiazhuang since 1993. 比较一般过去时与现在完

16、成时1)一般过去时表示过去某详细时间发生的动作或单纯表达过去的事情,强调动作;现在完成时就强调过去发生的动作对现在的造成影响,强调的是结果;2)一般过去常常与详细的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语;例: i saw this film yesterday.(强调看的动作发生过了)i have seen this film.(强调对现在的影响,电影的内容已经知道了) why did you get up so early.(强调起床的动作已发生过了) who hasn't handed in his paper.(强调有卷子未交,指结果) he joined the lea

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