Question

英语八大时态结构

Answer 1

其实英语共有十六种时态，但我们平时比较常用的只有八种，如下：
1.一般现在时:主语+do/does(现在分词)
e.gWecleantheroomeveryday.
2.一般过去时:主语+did
e.gWecleanedtheroomjustnow.
3.现在进行时:主语+am/is/aredoing
e.gWearecleaningtheroomnow.
4.过去进行时:was/weredoing
e.gWewerecheaningtheroomat5:00yesterdayafternoon.
5.现在完成时:have/hasdone
e.g.Wehavecleanedtheroomalready.
6.过去完成时:haddone
e.gWehadcleanedtheroombeforehearrived.
7.一般将来时:willdo/
e.gWewillcleantheroomtomorrow.
8.过去将来时:was/wereto/woulddo
e.gHesaidhewouldcleantheroomnext.

Answer 2