牛津译林八年级下现在完成时学案

牛津译林八年级下现在完成时学案 知识点一（现在完成时） 现在完成时 【知识梳理】 概念 ◇表示一个过去发生的动作对现在产生的结果和影响。 Eddie has eaten my food. (Eddie ate the food and now Hobo has nothing to eat.) ◇表示一个从过去某个时间开始，延续到现在，并有可能继续延续下去的动作或状态。 Eddie has lived with Mille since he was born. Eddie has lived with Mille for four years. 构成 助动词has/have +动词的过去分词 肯定形式 They have finished their homework. He has finished his homework. 否定形式 They haven’t finished their homework. He hasn’t finished his homework. 疑问形式 Have they finished their homework? Yes, they have. / No, they haven’t. 关键词 already(用于肯定句), yet(用于否定句和疑问句), since+一点时间, for+一段时间, never, ever, three times(其它表示频率的词, once, twice等) before, recently, in the past/last few years, so far, this month, today, now 【例题精讲】 1.（ ）Julia isn’t going to the cinema with us because she ______ the film. A. sees      B. saw      C. will see       D. has seen 解析：考查现在完成时对目前造成影响的用法。 Key：D 2.（ ）-- Look at these stamps. I _______ them for five years