2023-2024学年人教版八年级英语下册语法复习现在完成时课件

人教版英语九年级 语法复习—现在完成时 Warm up )判断下列句子的时态 .1.She works in a factory. 一般现在时 2.I was doing my homework at this time yesterday.过去进行 .We are going to have a picnic this Sunday..一般将来时 4.They held a sports meeting last week.一般过去时 现在进行时 .5.Are you helping your mother .6.I have read many fomous book. 现在完成时 现在完成时可以从以下三个方面掌握 一、一般用法 二、区别have\has gone to与have\has been to 三、关于瞬间动词和延续性动词， Task1 基本用法 现在完成时动词构成： 肯定：主语+have/has+v过去分词(done) 否定：主语+have/has+not+v过去分词 疑问：Have/Has+主语+v过去分词 l.I have read the book lots of times.(变一般疑问句) Have you readthe book lots of times Yes,I have 2.she has already cooked lunch.(变否定句) She hasn't cookedunch. 动词的过去分词形式 1.规则动词： finish--finished--finished live--lived--lived carry--carried--carried stop-stopped--stopped 2.不规则动词： go-went-gone forget-forgot--forgotten am/is-was/were-been readread-read begin-began-begun take-took-taken do-did-done see-saw-seen eat-ate-eaten run-ran run 二现在完成时含义 I moved I still live here here in2020 past now 1.过去已完成的动作对现在造成的 影响或结果 I have just had my breakfast. 2过去发生的动作，持续到现在，甚至将来。 I have lived here for three years. 三现在完成时常见的时间 A有此类副词时，常强调动作完成，不强调动作的持续 already（已经，还，肯定句)yet(还否定句疑问句) never(从来没有)ever(曾经) twice(两次) before(以前句末)just(刚刚)so far(到目前为止) in the last\past few years (在过去的几年里) already yet,已经 用于肯定句 用于否定句，疑问句 She has not seen this film yet' She hasalreadyseen this film. I havealreadycut my hair. Have you cut your hair yet? B.表从过去一直持续到现在，不能是具体过去时间. (1).for+一段时间 (2)since+一段时间+ago (3).since+-过去时间点 (4).since-+过去时间状语从句 1.I have been a teacher for a year. How long have you been a teacher 2.He has been at this school since a year ago. How long has he been at this school 3.We have lived here since we came to this school. How long have you lived here?