一般过去时态

　　(a) be 动词的过去式:

　　I/He/she/it was(not)…. You/we/they were….

　　一般疑问句was, were 放在句首。

　　(b) 动词过去式：

　　肯定句： I watched cartoons.

　　She visited the zoo.

　　一般疑问句： Did you read book last night? Yes, I did. No, I didn’t.

　　Did she clean the desk just now? Yes, she did. No, she didn’t.

　　否定句： They didn’t go the the part yesterday.

　　He didn’t make model ships last week.

　　动词过去式变化规则：

　　1.一般在动词末尾加-ed，如：pull-pulled, cook-cooked

　　2.结尾是e加d，如：taste-tasted

　　3.末尾是辅音字母加一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped

　　4.以“辅音字母+y”结尾的，变y为i， 再加-ed，如：study-studied

　　5.不规则动词过去式：

　　am，is-was， are-were， do-did， see-saw， say-said， give-gave， get-got， go-went， come-came， have-had， eat-ate， take-took， run-ran， sing-sang， put-put， make-made， read-read， write-wrote， draw-drew， drink-drank， swim-swam， sit-sat