新人教版八下Unit8--现在完成时语法解析.pptVIP

The film has begun for ten minutes. (×) The film has been on for ten minutes. (√) He has come here since two days ago(×) He has been here since two days ago (√) He has left his home since two years ago(×) He has been away from his home since two years ago. (√) The film has begun for ten minutes. (×) The film has been on for ten minutes. (√) How long has the supermarket opened? (×) How long has the supermarket been open? (√) 总结： “买，借单独记； 其余都含been ; (1)been +adj.形容词—been dead; been on ;been open (2) been +adv.副词 –been out; been away; been over (3) been +prep.介词”—been in ; been away from 非延续性动词和延续性动词的转换 leave — be away ( from ) borrow — keep buy — have begin/start — be on die — be dead finish --- be over get married— be married join — be in +组织机构 /be a member of 组织机构, open sth ----sth be open become — be, come here — be here, go there — be there come back—be back, fall asleep — be asleep, Exercises: 1 Where are you going? I’m going to Dalian. How long are you_____ there?– For two weeks. A .went B. gone C. left D .been / stayed 2 This is my father’s new car. He ________it for a month. A .bought B . has bought C .has had D. had 3 My grandma ____since 5 years ago. I miss her a lot. A .died B. has been dead C. has died D. has been died 4 Hurry up! The concert _________for 20minutes. A .began B. begun C .has begun D. has been on May I borrow your CD? --Yes, you can .But you can ______it for only three days A borrow B lend C keep D have kept 7 They have lived in this city since2008(划线提问) _____ _____ ____ they lived in this city? 8 It is 2 years since he came to China(同义句) He___ ___ in China ___2 years.= He ___to China 2 years____. * * * * Unit 8 Have you read Treasure Island yet?（语法一） 现在完成时： 表示过去发生或已经完成的某一动作对现在造成的影响或结果，或从过去开始一直延续到现在的动作或保存的状态。 结构： 主语+ have / has + 动词的过去分词 一般疑问句： have / has … ? Yes, I have. No, I haven’t