初一英语四种时态讲解

发布 2021-05-14 04:15:28 阅读 8750

初中英语四种时态详细讲解。

适合初一学生)

1.一般现在时:

表示经常发生构成:先看主语。

主语是三单,动词+s主语非三单,动词用原形。they often watch often watches tv.(3)变化:

问句:主语前+do/does,动词用原形;

否定:主语后+don’t/doesn’t,动词用原形。do they often watchtv? they don’t often watch tv.

does he often watch tv?he doesn’t often watch tv.2.现在进行时:

a)表示现在正在发生。句中常有now,look,listen等b)构成:主语+be+doingshe is watching tv 变化。

问句:提前be(am,is,are)is she watching tv now?否定:be后+not

she isn’t watching tv 加ing的方法:

一般直接+,去不发音的e加,闭音节双写+。3.一般过去时:

a)表示过去的动作或状态,句中常有yesterday,last等过去的时间。b)构成:

动作:主语+动词的过去式。

状态:主语+was/were(句中没实意动词)shewatchedtv last last 变化:

问句:主语前+did,动词用原形did she watch tv last night?was she here last night?

否定:主语后+didn’t,动词用原形。she didn’t watch tv last wasn’t watch tv last night.(4)过去式:

一般+ed;e结尾+d;辅音+y的,去y+ied;闭音节双写+ed;不规则的120页。4.一般将来时:

a)表示:将来,句中有表示将来的时间:tomorrow、next、soon,in two days等b)构成。

a:主语+will+do(任何人称)

b:主语+shall+do(仅第一人称i,we)c:主语+be going to+do如:

a:shewillwatch tv this shall watch tv this going towatch tv this 变化。

问句:提前will/shall/bea:will she watch tv this…?

b: shall we watch tv …?c:

is she going to watch …?否定:在will /shall/be后+nota:

she won’t watch tv…b: we shall not watch… shan’tc: she isn’t going to watch…there is a meeting next was a meeting will bea meeting next…=thereis going tobea meeting next …

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