buy的过去式形式,bought怎么读

1) 规则动词的基本形式 规则动词的过去形式和过去分词一把在动词
are awake bear beat become begin bet break bring build burn buy
二,写出下列动词的第三人称单数形式,过去式形式 goes _______ enjoy
最新人教新目标七年级初一英语下册新版新目标七下unit
learnt meant heard built lent sent spent paid lay say bring buy