(
课件网) Present Perfect Tense 现在完成时（一） Unit 1 This is me 5. Read the sentences from the reading passage and summarise the grammar rules. (a) I haven't told Maddie the whole story yet... (b) I have already learnt that I am what I am. Now find one more sentence with these structures in the reading passage. Anyway, she has changed me. Present perfect tense 现在完成时 一、现在完成时的定义 1.表示过去已经发生的动作对现在有影响。 I have already finished my homework. He has cut his hair. 2.表示过去的动作一直持续到现在，且可能延续下去。 We have been good friends. She has danced for 2 years. 二、现在完成时的结构 1.肯定句：主语+have/has+过去分词+其它. I _____ _____ this film. He/She _____ _____ this film. 2.否定句：主语+haven 't/hasn't+其它. I _____ _____ this film. He/She _____ _____ this film. have not=haven't has not=hasn't have seen has seen haven't seen hasn't seen 3.一般疑问句：Have/Has+主语+过去分词+其它. 1) --_____ you _____ this film --Yes, I _____./No, I _____. 2) --_____ he/she _____ this film --Yes, he/she _____. -- No, he/she _____. Have seen have haven't Has seen has hasn't 三、现在完成时的标志词 1、already：已经（肯定句，句中） I have already eaten dinner. 2、yet: 还，尚未（否定句或一般疑问句，句末） I haven't eaten dinner yet. 3、ever:曾经(一般疑问句) Have you ever been to Beijing 4、never:从不 Sally has never been to Beijing. 5、just:刚刚 My mom has just finished her work. 6、before：以前 I have been to Beijing before. 四、动词过去分词的变化规则 规则动词： 1、直接+ed: finish-finished-finished 2、不发音的e结尾+d: live-lived-lived 3、辅元辅，重读闭音节结尾，双写词尾+ed: stop-stopped-stopped 4、以辅音字母+y结尾，改y为i, 再+ed: carry-carried-carried 不规则动词：课本P152-156(平时出现要注意积累） 1、ABC型：see-saw-seen ... 2、AAA型：cut-cut-cut ... 3、AAB型：beat-beat-beaten ... 4、ABA型：run-ran-run ... 5、ABB型：sit-sat-sat ... 1 I/ just / cut my long hair 2 She / never / worry about / her looks 3 I/ just / paint a beautiful flower / on my face 4 Chris / always / wear / a pair of glasses 5 Jessica / already / change her opinion / on her looks 6. Write sentences with the present perfect tense. _____ _____ _____ _____ _____ I have just cut my long hair. She has never worried about her looks. I have just painted a beautiful flower on my face. Jessica has already changed her opinion on her looks. Chris has always worn a pair of glasses. 7. Complete the passage using the present perfect tense. I 1._____( always, be) the tallest student in my class. And I 2._____ ( always, sit) in the last row at school. People always look at me in surprise. You must be good at basketball, my classmates 3._____ ( always, say). In fact, I'm not good at basketball at all. But being tall is not always bad. It makes me easy to recognise, and I can help other people get things down. Over time, I 4._____(learn) to accept my height. I’m proud of myself. have always been have always sat have always said have l ... ...
