（2）一般过去时:

　　动词过去式详解   动词的过去式的构成规则有：

　　Ａ、规则动词

　　①    一般直接在动词的后面加ed：如　worked , learned , cleaned , visited

　　②　以e结尾的动词直接加d：如　lived , danced , used

　　③    以辅音字母加y结尾的动词要改y为i再加ed（此类动词较少）如　study - studied carry - carried worry - worried  （注意play、stay不是辅音字母加y,所以不属于此类）

　　④  双写最后一个字母（此类动词较少）如　stopped

　　Ｂ、不规则动词（此类词并无规则，须熟记）小学阶段要记住以下动词的原形和过去式：sing - sang ,  eat - ate ,

　　see - saw , have - had , do - did , go - went , take - took , buy - bought , get - got , read - read ,fly - flew , am/is - was ,

　　are - were , say - said , leave - left , swim - swam , tell - told , draw - drew , come - came ,  lose - lost , find - found , drink - drank , hurt - hurt , feel - felt