高中英语现在完成时精讲课件 共12张PPT

现在完成时 定义？ 构成？ 标志词？ 否定句？ 疑问句？ 被动语态？ We have seen the movie Fast and Furious 8 already. She has learned English since she was five. 一，定义：现在完成时表示（1）动作发生在过去，对现在造成影响。（2）动作发生在过去，一直延续到现在，还有可能继续延续下去。 二，构成：has/have + done 三，标志词：already, yet, recently, lately, before, up to now, so far, in the past five years, for+段时间，since +点时间，等等。 We have seen the movie Fast and Furious 8 already. She has learned English since she was five. 四，否定式： Eg1: I haven’t done my homework yet. Eg2:The kid hasn’t finished his lunch yet. has/ have + not + done 五，一般疑问句： has / have + 主语 + done ? 肯定回答：Yes, 主语 + has/ have. 否定回答： No, 主语 + has/have not. Eg1: Have you ever been to the Great Wall? Eg2: Have you heard from him recently? 六，特殊疑问句： 特殊疑问词+ has/have + 主语 +done + 其它？ A: Where have you been? B: The UK. B: How many times have you been to the UK? A: Twice. 七，现在完成时的被动语态 has / have + been + done Eg2: 100 trees have been planted by the students up to now. Eg1: Th