think teach play do come的过去式

play,fiy,come,go的过去式是什么? bought 【buy过去式】 taught【teach过去式]thought【think过去式造句 teach的过去式是什么? teach的过去式 teach的过去式是 call过去式 LOOK过去式 teach过去式 think过去式 help过去式 buy过去式 see过去式 brus play、fly、walk、climb、have、take、teach、study、sing、row的过去式、第三人称单 英语过去式 say speak talk come play are know do live like sing go do,does,come,go,are,eat,buy,is,am,have,give,drop,play,run过去式 下列单词的三单形式和过去式：clean give invite learn open skate teach think leave,teach,join的过去式 teach的过去式怎么读