1 一般过去时 1.一般过去时表示过去某个时间发生的动作或存在的状态,常和表示过去的时间状语连用
一般过去时也表示过去经常或反复发生的动作
2.Be动词在一般过去时中的变化: ⑴am 和is在一般过去时中变为was
(was not=wasn't) ⑵are在一般过去时中变为were
(were not=weren't) ⑶带有was或were的句子,其否定、疑问的变化和is, am, are一样,即否定句在was或were后加not,一般疑问句把was或were调到句首
3.句中没有be动词的一般过去时的句子 否定句:didn't +动词原形,如:Jim went home yesterday
Jim didn't go home yesterday
一般疑问句:在句首加did,句子中的动词过去式变回原形
如:Jim went home yesterday
Did Jim go home yesterday
特殊疑问句:⑴疑问词+一般疑问句
如:Jim went home yesterday
Did Jim go home yesterday
What did Jim do yesterday
动词过去式变化规则: 1.一般在动词末尾加-ed,如:pull-pulled, cook-cooked 2.结尾是e加d,如:taste-tasted 3.末尾是辅音字母加一个元音字母和一个辅音字母的重读闭音节,应双写末尾的辅音字母,再加-ed,如:stop-stopped 4.以“辅音字母+y”结尾的,变y为i, 再加-ed,如:study-studied 5.不规则动词过去式: 词义 现在(原形) 过去 是 am, is (be) was 是 are (be) were 成为 become became 开始 begi