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 …
初一英语四种时态讲解
1.一般现在时 表示经常性,习惯性的动作。常与表示频度的时间状语every day.usually.always often sometimes on sunday等连用。1 构成 先看主语。主语是三单,动词加s。主语是非三单,动词用原形。例子 they often watch tv.he ofte...
小学英语四种时态
一般现在时 1.定义 1.表示目前存在的状态 2.表示经常性 习惯性的动作3.表示客观的事实。2.标志词 频度副词 例 always,usually,often,sometimes,every day week 例如 1.i often watch tv at home.3.结构 当主语是第三人称单...
初一英语时态讲解
课时一 现在进行时。现在进行时用法 1,表示说话时正在进行或发生的动作。please don t make so much noise.i m writing a composition.不要吵闹。我正在写作文。let s set off.it isn t raining now.咱们出发吧。现在不...