Module 4 Unit 3 Language in use 课件 2022-2023学年外研版八年级英语下册

Module 4 Seeing the doctor Unit 3 Language in use 1 目录 01 02 课堂小测 语法聚焦 03 课后作业 2 现在完成时(3) 一、概述 1. 现在完成时的标志词:要表达某一行为或状态从过去某时间一直延续到现在,也可以用现在完成时。在对现在完成时的时间状语进行提问时,我们常用how long, 回答时可用“for+时间段”或“since+时间点 / 时间段+ago”等加以强调或说明。如: —How long has he studied English?他学英语多长时间了? —For three years. 3年了。 —How long have you had the cat?这只猫你养了多久了? —Since last year. 从去年开始(养的)。 2.考点介绍:for和since的用法;延续性动词和终止性动词的用法 二、延续性动词和终止性动词的用法 1. 动词分为延续性动词(表示延续性的动作或状态)和终止性动词(表示动作在瞬间完成)。延续性动词常和表示时间段的短语连用,如for短语和since短语;终止性动词一般不能与表示延续的时间状语连用。如: Tom has come here for two hours.(✕) Tom has been here for two hours.(√) 2. 终止性动词可以和延续性动词进行转换。如: die→be dead, open / close→be open / closed, arrive in (at) / reach / get to→be in / at, join→be a member of / be in, start / begin→be on, borrow→keep, buy→have, become / come→be 专练 一、单项填空 ( C )1. —Mum, I want to watch the Olympic games on TV now. —Oh, dear, it for a few minutes. Come on! A. has begun B. will begin C. has been on C ( B )2. —I my homework yet. How about you, Jack? —Oh, I it a moment ago. A. didn’t do; finished B. haven’t done; finished C. haven’t done; have finished B ( C )3. He the city since he graduated from college. A. has left B. left C. has been away from ( A )4. William Shakespeare has been dead more than 400 years, but his works still have great influence today. A. for B. as C. since C A 二、根据要求完成句子,每空一词 5. Miss Liu left an hour ago. (改为同义句) Miss Liu has been away for an hour. 6. They borrowed the book three days ago.(改为同义句) They have kept the book since three days ago. has been away for have kept since 7. We lived in the building after we came to the city.(改为同义句) We have lived in the building since we came to the city. 8. I have been coughing since Friday. (就画线部分提问) How long have you been coughing? have lived since How long 一、用所给单词的适当形式填空 1. We have played (play) basketball for a month now. 2. The shop has been closed (close) for more than 10 years. 3. The old man appears to be in good health (healthy). have p