,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。Р3.句中没有be动词的一般过去时的句子 Р 否定句:didn’t +动词原形,如:Jim didn’t go home yesterday. Р一般疑问句:在句首加did,句子中的动词过去式变回原形。 如:Did Jim go home yesterday? Р 特殊疑问句:⑴疑问词+did+主语+动词原形?Р 如: What did Jim do yesterday? Р⑵疑问词当主语时:疑问词+动词过去式? 如:Who went to home yesterday? Р动词过去式变化规则:Р1.一般在动词末尾加-ed,如:pull-pulled, cook-cooked Р2.结尾是e加d,如:taste-tasted Р3.末尾只有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 Р4.以“辅音字母+y”结尾的,变y为i, 再加-ed,如:study-studied Р写出下列动词的过去式 Рis\am_________ fly_______ plant________ are ________ drink_________ play_______ go________ make ________ does_________ dance________ worry________ ask _____ taste_________ eat__________Р draw________ put ______ throw________ kick_________ pass_______ do ________ РBe动词的过去时练习(1) Р一、 用be动词的适当形式填空