现在完成时语法课件2022-2023学年人教版八年级英语下册

现在完成时讲解 — Are you surprised at the ending of the movie? — No, because I have read the story. 0 现在完成时讲解 I have finished reading the storybook. You can ask me anything about it. I have had my lunch. I’m full now. 例句感知 现在完成时的结构： 主语+have/has（助动词）+过去分词 当主语是第三人称单数时，助动词用has，其它人称一律用have。 He has lived here for 40 years. We have stopped the bus. I have turned off the lights. 过去分词 ①规则动词的过去式就是过去分词。 ②不规则动词的过去分词要参照不规则动词表来记忆。 现在完成时的用法 He has lived here for 40 years. He has not lived here for 40 years. Has he lived here for 40 years？ Yes，he has. No，he hasn’t. have not=haven’t has not= hasn’t 现在完成时的用法 We have stopped the bus. We haven’t stopped the bus. Have you stopped the bus? Yes，we have. No，we haven’t. 模仿练习 例句展示： I have lived here for ten years. 我已经住在这里十年了。 （从过去的某一时间开始住在这里，一直住到说话时刻。） I have lived here since 2003. 自从2003年我就住在这儿。 （自从2003年开始，我一直都住在这儿。） 现在完成时的用法（一） 现在完成时用于描述过去发生的动作对现在造成的影响或结果。 I have finished my homework. I can play ping - pong now. 我已经完成了家庭作业。我现在可以打乒乓球了。 I have made a mistake. Let me correct it. 我犯错了。让我来纠正它。 already和yet意思 already和yet都有“已经”的意思。 already常用于肯定句中。 yet用于否定句时，意为“尚未……” 或者“还没……” yet用在疑问句时，意为“已经” 1.They have ______ built two factories in their hometown. 2.— Have you finished your work_______? — Yes, I’ve done it________. 3.I told him about it two days ago, but he hasn’t decided what to do ________. 4. I’ve_______seen the film twice. 5. This movie is good. I have seen it________. already yet already yet already already 句型转换 1. Have you decided which house to buy？（作肯定回答） ________，__________. 2.His sister has cleaned the room.（改为否定句） His sister______ ________the room. 3.I’ve never forgotten the beauty of the West Lake. (改为一般疑问句) _____ _____ never forgotten the beauty of the West Lake？ No I haven’t hasn’t cleaned Have you 翻译句子 你已经看过这个电影吗？ 不，还没有。 1.— Have you seen the movie yet?— No, not yet. 2. I have already given the book back to you. 我已经