小学英语语法：小学英语必须掌握的四大时态
2019-03-04 09:13
来源：小学英语
作者：
一般过去时
主要描述过去发生的事情。
句末常出现last night/week/Monday/year, yesterday, ago
组成主语+动词过去式
I was a pilot.
They were busy.
He went to the market.
否定句：在be后加not，在普通动词前加didn’t 动词恢复原形。
I was not a pilot.
They were not busy.
He didn’t go to the market.
疑问句：提前be 动词或在句前加did
Were you a pilot?
Yes, I was./ No, I wasn’t.
Were they busy?
Yes, they were./ No, they weren’t.
Did they go to the market?
Yes, they did. / No, they didn’t.
动词变过去式
1. 在末尾加ed或d 如：play-played、like-liked
2. 辅音加y，结尾去y加ied.如：study-studied
3. 辅音元音辅音结尾双写最后一个字母加ed.如：stop-stopped
