英语人教新目标八年级下册Units 8-10 The Review of Grammar现在完成时 现在完成时的主要用法现在完成时的时间状语非延续动词与延续性动词转换现在完成时见的六种句型现在完成时中的用副词过去分词的构成过去分词的构成AAAABBABCABC 现在完成时的构成+ v. 过去分词，即 2.现在完成时态的含义: 助动词 have// has + doneB. 表示在过去的某个时间开始并一直持续到 现在的动作或状态。A. 表示在过去发生并已经完成的动作对现在 造成的后果及影响.2. 我在这儿住了两年了。I have just had my breakfast.I’m not hungry nowI still live hereI have lived here for two years. （同义句）=I have lived here since 2014/two years ago. nowpast现在完成时1. 我吃过早餐。had breakfastmoved herein 2014用在现在完成时中的时间状语： 1. in the last/ past (few) years; 2. over the years; 3. so far; up to now; up till now 4. since then; 5. in recent years 6. for+一时间; 7. since + 过去某个时间点; 时间+ago; 一般过去时的句子 句型转换have /has + v 过去分词助动词否定have not =haven’thas not=hasn’t疑问Have you…?Has he/she…?与下列副词连用：just , already, ever, never, recently（句中） yet , before（句尾）他已经完成了。 He has already finished homework.(否、疑) He hasn’t finished homework yet. Has he finished homework yet?(肯/否答语) Yes, he has. / No, he hasn't. (= Not yet.)练一练1.have /has been to侧重指经历,后可接次数，如once，twice，three times等，表示“去过某 |
