求助:语法的时态讲解

1.一般现在时: 主语+do/does(现在分词)
e.g We clean the room every day.
2.一般过去时: 主语+did
e.g We cleaned the room just now.
3.现在进行时: 主语+am/is/are doing
e.g We are cleaning the room now.
4.过去进行时: was/were doing
e.g We were cheaning the room at 5:00 yesterday afternoon.
e.g 5.现在完成时: have/has done
We have cleaned the room already.
6.过去完成时: had done
e.g We had cleaned the room before he arrived.
7.一般将来时: will do/
e.g We will clean the room tomorrow.
8.过去将来时: was/were to /would do
e.g He said he would clean the room next.

一般

现在时
often, usually, always, sometimes, every day (week…),

on Sunday
He/She/It+动词s

I/We/You/They+动词原形

一般

过去时
yesterday, … ago, last week,

in 2001
主语+动词的过去式

现在

进行时
now
主语+be+ 现在分词

现在

将来时
tomorrow, next week
主语+will/be