《Past and Present》PPT课件(第4课时)

牛津译林版八年级英语下册《Past and Present》PPT课件(第4课时)，共18页。 Present perfect tense 现在完成时 1．含义： (1) 表示过去发生的事持续到现在； (2) 表示过去发生的事情对现在产生影响。 eg：Mr Wang has lived here since he came to Anhui. 自王先生来到安徽，他就住在这儿了。 I have lost my mobile phone.   我的手机丢了。 2．构成：have/ has(＋not)＋动词的过去分词。 eg：He has not returned the book to me yet. 他还没有把书还给我。 She has never seen this film. 她从没看过这部电影。 3. 动词的过去分词 a.一般直接在词尾加­ed b.以不发音的字母­e结尾的词直接加­d c.以“辅音字母＋­y”结尾的词，变­y为­i，再加 d.以“元音字母＋­y”结尾的词，直接加­ed e.以“元音字母＋一个辅音字母”结尾的重读闭音节词，先双写这个辅音字母，再加­ed 4．常用时间状语： just 刚刚； yet 用于疑问句，表示“已经”，用于否定句表“还”； ever 曾经； already 用于陈述句，表示“已经”，否定句中改为yet；never 用在句中表示否定，从未，从不； recently 近来，最近。 一、用所给词的适当形式填空 1. I ___________(study) in America for over three years. 2. The young man __________(live) alone since he graduated from college.(兰州) 3. This is the best film that I __________(see) so far. 4. —Hello. Can I speak to Miss Brown? —Sorry, she __________( fly) to Canada already. She'll be back in a week. 5. In the past two weeks, the artist __________(draw) many pictures about his hometown. 6. I __________( know) Jimmy for over two days and now we are good friends. 7. —Why are the windows so dirty? —Because we _____________( not clean) them for a long time. 8. My life __________( change) a lot in the past few years.(枣庄改编) 二、单项选择 9. —Dave，we will leave in 10 minutes. Are you ready? —No，I________ our guidebook and towels yet.(玉林) A. don't pack         B. didn't pack C. have packed      D. haven't packed 10. The singers ________ many concerts in the countryside since 2001.(湘潭) A. hold                  B. held                 C. have held 11. —Have you finished your homework? —________. Just half of it. How about you？(苏州) A. Not at all            B. Not likely      C. Not a bit            D. Not yet 12. Ann is a nurse in our hospital. She______ here for ten years. A. works               B. has worked      C. worked             D. was working ... ... ... 关键词：《Past and Present》PPT课件免费下载，.PPT格式