Module 4 Seeing the doctor—外研版八年级英语下册课件(共47张PPT)

现在完成时(3) 本模块的语法知识还是现在完成时,不过本模块侧重讲for、since以及 非延续性动词在现在完成时中的应用。 1.for、since在现在完成时中的应用 在表示行为或状态从过去一直持续到现在时,通常要与表示一段时间的 时间状语连用,这类状语通常由for或since引导。for后接一段时间,而 since后多接时间点。 He has been away for two years. 他已离开两年了。 He has been an English teacher since last year. 自去年以来他一直是一名英语教师。 for since +时间段 +时间点 +句子 a year, two months, three days, a long time a year ago ,two months ago, 4 o’clock , yesterday , last year I was ten years she lived here 1. 练习：用since和for填空 1. Jim has been in Ireland ______ Monday. 2. Jill has been in Ireland ______ three days. 3. His aunt has lived in Australia ______15 days. 4. Mary is in her office. She has been there ______ 7 o'clock. 5. India has been an independent country ______1974. 6. The bus is late. They've been waiting ______ 20 minutes. 7. Nobody lives in those houses. They have been empty ______ many years. 8. Mike has been in hospital ______ October. 1.______two years 2.____two years ago 3.___last month 4.______ 1999