1、定义：表示过去某个时间里发生的动作或存在的状态。常和表示过去的时间状语连用，如：a moment ago，just now，yesterday，last week，this morning等。

如：My brother often went to school by bike last term.

The watch was beside the diary a moment ago.

I watched the moon and ate the moon cakes last Mid-Autumn Festival.

Jim went to the supermarket yesterday.

2、构成：主语+动词的过去式+其他

3、动词过去式的变化规则：

① 一般在动词原形末尾加ed

如：play-played，listen-listened，look-looked

② 结尾是e的动词，加d

如：live-lived，like-liked，taste-tasted

③ 辅音字母+y结尾的动词，变y为i，再加ed

如：study-studied，carry-carried，cry-cried

④ 末尾只有一个辅音字母的重读闭音节词，双写这个辅音字母，再加ed

如：stop-stopped，plan-planned

⑤ 不规则变化 如：

am/is-was

are-were

have/has-had

do-did

go-went

sit-sat

tell-told

see-saw

get-got

make-made

give-gave

read-read

buy-bought

come-came

draw-drew

eat-ate

fly-flew

meet-met

put-put

run-ran

say-said

sing-sang

swim-swam

take-took

4、一般过去时的句型转换

肯定句 否定句 一般疑问句及回答

He watched TV yesterday. He didn’t watch TV yesterday. —Did he watch TV yesterday?—Yes, he did. / No, he didn’t.

They played games just now. They didn’t play games just now. — Did they play games just now?—Yes, they did. / No, they didn’t.