高中与语法 现在完成时和现在完成进行时PPT.ppt

Unit1 Grammar;;1. My father bought many books for me yesterday . Now , I have a lot to read because ________________________________ 2. I saw this film last week. Now, I know this film because I_____________________. 3. I did my homework yesterday. Now, I can give it to the teacher because I______________;“仍然，还 ” 用在疑问句和否定句中，放在句末。 I haven’t read this book yet . Have you had breakfast yet ?;“从来不” 用在否定句中,放在句中。 Is he famous ?I have never heard of him .;“以前”用在完成时中，放在句末。 Ｉhave never read this kind of books before.;She began to work in 2005. She still works here now. She has worked at this school for 9 years. ;;1. I am a doctor. I began to work when I was 22.Now , I am 26. I ________ for four years. 2. We went to the USA last Monday. Today is Monday . We _________ (stay) in the USA since last Monday.;since and for;一、用for和since填空。; Exercise 根据所给情况，用just,already或yet造句。 1.After lunch you go to see a friend at her house.She says‘Would you like something to eat?’ You say: No, thank you. _______________( have lunch ) 2.Joe goes out. Five minutes later,the phone rings and the caller says ‘Can I speak to Joe?’ You say: I’m afraid _________________.( go out );3.You are eating in a restaurant this evening. The waiter thinks you have finished and starts to take your plate away.You say: Wait a moment !_______________________ ( not / finish ) 4.You are going to a restaurant this evening. You phone to reserve(预定）a table. Later your friend says ‘Shall I phone to reserve a table? ’You say: No,__________________ it (do);1.现在完成时用来表示过去发生或已完成的动作或状态对现在造成的影响或结果,也就是说,动作或状态发生在过去但它的影响现在还存在. I have lost my wallet.(含义是:现在我没有钱花了.) Jane has just had breakfast.(含义是:简现在不饿了.) Michael has been ill.(含义是:现在仍然很虚弱) He has returned from abroad. (含义是:现在已在此地) ;2. 现在完成时可以用来表示发生在过去某一时刻一直持续到现在的动作和状态,常与表示持续的时间状语连用. 表示持续动作或状态的动词多是延续性动词。 I haven’t seen her these days. Mary has been ill for three days. I have lived here since 1998. ;3. 现在完成时往往同表示不确定的过去时间状语连用,如already, yet, just, before, recently, stil