来自李传经的问题
英语时态：过去时1.hedidnotleavehereyesterday.2.didheleavehereyesterday?1.didnot+动词原形吗?还是加过去式?2.在疑问句,是did+he+动词原行吗?
英语时态：过去时
1.hedidnotleavehereyesterday.
2.didheleavehereyesterday?
1.didnot+动词原形吗?还是加过去式?
2.在疑问句,是did+he+动词原行吗?
