现在完成时巧学妙记(PPT17张).ppt

clever learning English;完成时态巧学妙记;1）现在完成时态表示 ：过去发生的动作对现在造成 的影响或结果 。 Our teacher has just left .（我们的老师现在不在这儿了。） We have studied English before .（我们会一点儿英语。） I have already finished the homework .（我不要做作业了。） He hasnt had his lunch yet.（他现在饿了。） He has ever become a doctor .（他有当医生的经验。）;2）某个动作从过去已经开始， 一直持续到现在, 还有可能持续到将来，动作的 持续性要通过一段时间来表示。;过去发生已完成， 影响结果要记清. 谓动has/have+pp, just ever never already. so far yet和before,完成时态要记牢。 开始过去到现在， 延续动作或状态。 since for how long, 谓语延续多思量。; 短暂性动词不能和表示一段时间的时间状语连用,但可以转换成相应的延续性动词.;开始 begin /begin—- 离 leave —- 去 go –-- 借 borrow —- 来 come---- 抓 catch----;还 入 死亡 买 到达;1.我们买这本书三年了.;3.自从上星期我借的这本书;;注：含延续性动词的现在完成时的同义句 转换 。;现在完成时与一般过去时的异同;Exercises;( )4. Mr. Green ____ in China since five years ago. A lived B has lived C lives D is going to live ( )5. His grandma ______ for two years. A died B has been dead C was dead D has died;( )8. How long have you _____ the football team of the school? A. been on B .been at C. joined D. played ( )9. ---Where have you _____ these days? ---- I have _____ to Dazhu with my friends. A. been,gone B. been,been C.gone,been D..gone,gone ( )10. How long have you ____ this book? A bought B borrowed C had D lent ( )11. -–Excuse me, ____ you seen the film yet? --- Yes, I _____ it last night. A have, see B have, have seen C have, seen D have,saw ( )12. Hes never ridden a horse before, _____? A is he B isnt C hasnt D has he;See you next time!