i was at home last night.这事一个过去时态的句子.这里为什么不用were 呢,我记得过去时am变成were 而is 变成was啊这里明显i后面填were啊请求帮助

I was at home last night.(否定) I was watching TV at home last night.特殊疑问句 I was at home last week.【改一般疑问句】 i was at home last sunday变成一般疑问句 I was at home last sunday改为一般疑问句 I was at home ( )my parents last Sunday I was at home ( )my parents last Sunday.选择填空 I was at home ( )my parents last Sunday.选择填空 I ______(stay ) at home at last —where have you been last night?—I was staying at home a_____ the time. 昨晚我独自在家 英文I was at home ------ ------- last night I was at home (last sunday)对打括号的地方提问 I was at home at that m______. I was at home last week.改为一般疑问句____ ____ at home last weekI did housework yesterday改为一般疑问句____ ____ housework yesterday I was (at home) last week.括号代替划线部分为什么Be动词要用Were，而不用was？ A:where you at home last saturday B:No ,( ) ( ).A :( ) ( )you B:I was at school .每空一词填空. I was at home yesterday 对at home提问 改病句,Rose was at home at seven o'clock last night Where were you at same time?I was in the coffee bar with my mother