現(xiàn)在完成時 初中英語.ppt

1、1. He is not only a good teacher, but also a good friend for his students. 2. I am tired of doing homework. 3. This book is worthing reading. 4. Would you mind opening the window? 5. I learned drawing from my grandfather. 6. The boy pick up the hat for the old man.,Present Perfect Tense,I have just

2、received a letter from my brother, Tim. He is in Australia. He has been there for six months. Tim is an engineer. He is working for a big firm and he has already visited a great number of different places in Australia. He has just bought an Australian car and has gone to Alice springs, a small town

3、in the centre of Australia. He will soon visit Darwin. From there, he will fly to Perth. My brother has never been abroad before, so he is fending this trip very exciting.,現(xiàn)在完成時的構成,have /has + 過去分詞,（1）表示動作發(fā)生在過去某個不確定的時間，但對現(xiàn)在留下了某種影響和結果。 -Have you had lunch yet? -Yes, I have. Ive just had it.,（2）表示從過去某

4、一時刻開始一直持續(xù)到現(xiàn)在的動作或狀態(tài)。 He has taught here since 1981 I havent seen her for four years.,現(xiàn)在完成時與一般過去時的區(qū)別 I saw this film yesterday. I have seen this film. She has returned from Paris. She returned yesterday. He has been in the club for three years. He joined the League three years ago.,1. She has been to Shanghai. 2. She hasnt seen the new movie. 3. Jim has finished his homework, so he is free no