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课件网) Unit 3 Have you ever done a part-time job 01 Job interview 02 Job advertisements 03 Grammar CONTENTS 目录 3 Grammar Grammar focus (Ⅰ) Grammar focus (Ⅱ) Grammar focus (Ⅰ) . 03 Present perfect tense(Ⅰ) 现在完成时的用法: ①表示过去已经发生或完成的动作或状态对现在造成的影响或结果，(汉语中常用“已经”“过”、“了”等表达) 常与already, yet, never, ever, just, before等时间状语连用。 -- It's so dark. -- Someone has turned off the light. (有人刚把灯关了,对现在造成的结果是:现在很黑) -- Are you free --I have already finished my homework. I am free. (我已经完成了家庭作业,对现在造成的结果是有空) 现在完成时的构成：have/has+动词过去分词(done) Grammar focus (Ⅰ) . 03 Present perfect tense(Ⅰ) 现在完成时的用法: ②表示过去某一时间开始并一直持续到现在的动作或状态，常和表示一段时间的时间状语连用,谓语动词多用延续性动词。 They have lived here for 30 years. 他们已经在这儿住了30年。 (30年以前开始住在这儿，现在还住在这儿。) I have learned English since I was five years old. 我从五岁时就学英语。 (五岁时开始学英语，到现在还在学。) Grammar focus (Ⅰ) . 03 现在完成时的句型 肯定句： 主语+have/has+过去分词+其他 否定句： 主语+have/has+ not +过去分词+其他 ” 1. I have had a job interview today. 2. She has done two part-time jobs. 3. We have visited your website. 4. I haven’t had a job interview today. 5. She hasn’t done two part-time jobs. 6.We haven’t visited your website. Grammar focus (Ⅰ) . 03 现在完成时的句型 疑问句： Have/has+主语+过去分词+其他 Yes, 主语+have/has. No, 主语+have/hasn't. ” Have you had a job interview today Yes, I have. 2. Has she done two part-time jobs No, she hasn’t 3. Have you visited the website Yes, we have. ①肯定句：主语+have/has+过去分词+其他。 I have seen the film. ②否定句：主语+have/has+ not +过去分词+其他。 I haven't seen the film. ③一般疑问句：Have/has+主语+过去分词+其他 Yes,主语+have/has. / No,主语+have/hasn't. Have you seen the film Yes, I have. / No, I haven't. Summary 现在完成时的句型 3 Grammar Grammar focus (Ⅰ) Grammar focus (Ⅱ) 动词的过去分词有规则形式和不规则形式两种。 规则形式同过去式的规则形式。 不规则形式需特殊记忆， 可分为四类:AAA型、ABB型、ABC型 和ABA型。 Grammar focus (Ⅱ) . 03 动词的过去分词 不规则动词原型 - 过去式 - 过去分词 ①AAA型(三种形式都一样) cost-cost-cost hit-hit-hit put-put-put set-set-set ②ABB型(过去式与过去分词相同) buy-bought-bought catch-caught-caught find-found-found stand-stood-stood Grammar focus (Ⅱ) . 03 动词的过去分词 不规则动词原型 - 过去式 - 过去分词 ③ABC型(三种都不一样) see-saw-seen break-broke-broken take-took-taken write-wrote-written ④ABA型(原形与过去分词相同) run-ran-run come-came-come become-became-become Grammar focus (Ⅱ) . 03 动词的过去分词 Grammar focus (Ⅱ) . 03 Do some exercises(使用现在完成时组成句子) I have graduated from a vocational school. I/graduate/vocational school Grammar focus (Ⅱ) . 03 Do some exercises(使用现在完成时组成句子) My father has started a new job. My father/start/a new job Grammar focus (Ⅱ) . 03 ... ...
