(完整版)初中英语八种基本时态总结0001

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初中英语基本时态总结

1、一般现在时

1、概念:

1)表示经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。

注意: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. 哥伦布证实了地球是圆的。

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+0 (若主语是单三人称,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 ,谓动变为原形。

变否定,有be在be后加“no;”无be在主语后加don' t/doesn ' t胃动变为原形。

例: ① They are in the classroom. —Are they in the classroom? Yes, they are./

No, they aren ' t. —They tairnenthe'classroom

② 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 n> 一般过去

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,经常性或习惯性的动作。

例:When I was a child, I often played football in the street.

2、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 d i d ,谓动变为原形。

变否定,有be在be后直接加“no;无be在主语后加didn ', t胃动变为原形.

例:① She was in Xi ' an last mon th. —Was she in Xi ' an last mon th? Yes, she was. /

No, she wasn ' t. —She wasn' tai n lXaist m'onth.

② Danny grew a rose just now, —Did Danny 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:① I am 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。)

② The boys are pla ying football. —Are the boys playing football?

Yes, they are. / No, they aren ' t. —The boys aren ' t playing football.

W、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 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 + doing

3、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:① At that time they were worki ng in the garde n. —Were they vgoirkin

the garden at that time? Yes, they were. / No, they weren 't.

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