PPT预览
1.—How long have you been like this?像这样的情况多久了?
Since Friday.自周五以来。
(1) since作介词时,与完成时连用,意思是“自……以来;自从”。如:
He has lived here since 1992.他从1992年以来一直住在这里。
(2) since作连词时,有以下用法:
①与完成时连用,意思是“自……以后”,其后面引导含一般过去时态的从句。如:
I have written home but once since I came here.我到这里以后只写过一次家信。
2.Let me take your temperature.让我来给你量下体温。take sb's temperature表示“量某人的体温”。如:
l took my temperafure last night.我昨晚量了下我的体温。