内容正文:
时态语态专题
【教学内容】
1.时态 2.被动语态 3.练习
【教学过程】
一、时态
时态是表示行为、动作和状态在各种时间条件下的动词形式。常用的时态有:一般现在时、一般过去时、一般将来时、现在完成时、过去完成时、现在进行时、过去进行时、过去将来时、将来进行时、将来完成时。
形式时间
一般
进行
完成
现在
do
does
am
is doing
are
have
done
has
过去
did
was
doing
were
had done
将来
shall
am/is/are going to do
will
will be doing
shall
have done
will
过去将来
Should
do
would
would be doing
(一)一般现在时
用法:1.通常表示现阶段经常发生的动作、存在状态或经常的习惯性的动作。常与often, usually, always, sometimes, today, every five minutes, on Sundays等时间状语连用。
Around two o’clock every night, Sue will start talking in her dream. It somewhat _bothers_(bother) us.
2.表示永恒的真理以及客观事实。
The earth _goes_ (go) round the sun.
3.表示按规定或计划要发生的动作。
The train _starts_ (start) at seven in the morning.
4.在时间和条件状语从句中代替一般将来时。常用的引导词:表时间的有when, until, after, before, as soon as, once, the moment/the minute, the day;表条件的有if, unless, provided, as long as.
I’ll go with you, if you _are_ (be) free tomorrow.
注意:在here, there开头的倒装句中,一般现在时表示正在发生的动作或存在的状态。
(二)一般过