书柜
幼苗
共回答了17个问题采纳率:94.1% 举报
He must have been here yesterday,( )? 改为反义疑问句
He must have been here yesterday, didn't he?
因为 must +完成形式have been here yesterday表推测,意思是:“你昨天一定来过这里”.又因为是时间是【昨天】,是过去时,所以反义疑问部分,应该是didn't he?
1年前
追问
3
举报
书柜
不好意思。 He must have been here yesterday, wasn't he? 因为 must +完成形式have been here yesterday表推测,意思是:“你昨天一定来过这里”。又因为是时间是【昨天】,是过去时,谓语动词是be,所以反义疑问部分要用be的过去形式,应该是wasn't he?