小学英语语法大全14一般过去时

 

　　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.