八年级下英语课件《本册综合 》 (2)_人教新课标

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八年级下英语课件《本册综合 》 (2)_人教新课标

新目标英语八年级下: 现在完成时复习课 课件 -----现在完成时态 语法练习课 时态 • 不同时间发生的动作,动词要用不同 形式 已学习过的时态 名称 时间 动词形式 一般现在时 平时,经常 现在进行时 正在进行 一般将来时 即将,计划 1.will/shall+v原形 2.am/is/are going to +v原 形 一般过去时 过去(与现 在无关) 1.v-ed(规则动词) 2.不规则动词 过去进行时 过去某一时 间,在进行 was/were+v-ing 1.v原形 2. v三单 am/is/are+v-ing 1.will/shall+v原形 2.am/is/are going to +v原 形1.v-ed(规则动词) 2.不规则动词 was/were+v-ing 判断下列句子的时态 • 1.She works in a factory. • 2.I was doing my homework at this time yesterday. • 3.We are going to have a picnic this Sunday. • 4.They held a sports meeting last week. • 5.Are you helping your mother . 过去进行时 一般将来时 一般过去时 现在进行时 现在完成时 1.过去发生的动作对现在造成的影响或结果。 2.过去已经开始,持续到现在的动作或状态 动词构成:have/has+v过去分词 had breakfast I have just had my breakfast. (现在我不饿) I’m not hungry now moved here in 2000 I still live here I have lived here for three years. I have lived here since 2000/three years ago. now 现在完成时动词构成: have / has + v 过去分词 助动词 否定 haven’t hasn’t 疑问 Have you……? Has he……? 动词的过去分词形式 • 1.规则动词 • 2.不规则动词 finish--finished--finished live--lived--lived carry--carried--carried stop—stopped--stopped Eg. go—went—gone see---saw—seen forget—forgot--forgotten I, finish, homework I haven’t finished my homework. Have you finished your homework? Yes, I have. / No, I haven’t. I have finished my homework. 1. 她成为一名护士已经三年了。 2. 我五年前就认识李雷了。 3. 那些相片我已经寄给他了。(post) 4. 我来到这个学校后,他就一直教我。 5. 我刚丢了我的历史书。 She has been a nurse for three years. I have known Lilei since five years ago. I have already posted the photos to him. He has taught me since I came to the school. I have just lost my history book. ( 1).for+表示一段时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句 eg.I have been a teacher ______ a year. He has been at this school _______ 1992. We have learned 1,000 English words _______ we came to this school. for since since B. just, already, yet, before/ ever, never 有此类副词时,常强调动作完成,不强调动作的持续. eg.Have you _____been to Japan? I have _____ finished my homework. I have finished my homework ______. I haven’t finished my homework ____. ever just already yet 1.现在完成时句中常见的时间 A.表示从过去一直持续到现在,不能是具 体过去时间 2.区分短暂性动词与持续性动词. 表示短暂性(瞬间性)的动词在现在完成时 的句中不能和一段时间连用.即for,since短 语或how long问句 come/arrive go out leave begin buy borrow join die catch a cold be at/in … be out be away (from) be on have keep be a member of be dead have a cold 改错: • How long have you become a league member? For more than one year. • Have you arrived here since last night. Yes,you’re right. • The dog has died for a month. • He has gone to Shanghai twice. • How long have been at this school? Since two years . been been been dead been ago.For
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