(
课件网) 少出门 多通风 勤洗手 戴口罩 Lesson 85-86 Paris in the spring 目录 Grammar 1 Vocabulary 2 Text 3 COVID-19 Grammar Lesson 86 What have you done The Present Perfect Tense（现在完成时 ） （1）含义：表示过去发生或已经完成的动作对现在造成的影响或结果,也可表示过去已经开始,一直延续到现在的动作或状态。 （2）公式:主语 + have/has + 过去分词 + 其他。 (当主语是第三人称单数时用has,其余人称用have。过去分词:规则动词的过去分词构成与动词过去式相同;不规则动词需要特殊记忆。) （3）一般现在完成时通常与表示不确定的时间副词或短语连用如 just, already, before, never, ever, twice, three times 等。 （4）否定式: 主语 + haven't/hasn't + 过去分词 + 其他。 疑问式: Have /Has + 主语 + 过去分词 + 其他 简略答语: Yes, 主语 + have/has.(肯定) No, 主语 + haven't/hasn't.(否定) （5）现在完成时在汉语中常用“了”、“过”或“已经”来表示。 时态 用法 动词形式 时间状语标志词 例句 一般现在时 经常，习惯，真理 原形/三单am/is /are; dodoes every day, always, usually, often, sometimes, I often read books. He likes music. 一般过去时 过去发生的事，不强调对现在的影响 过去式was/were, did yesterday, last--, --ago, after-- I was there last month. I went to Paris last year. 现在完成时 过去发生的事对现在的影响，或从过去一直持续到现在的动作或状态 have/has+过去分词 already, just (肯定句中)；never（肯定句中表否定）；ever(疑问句中) I have already been to Paris. I have just been there. I have never been there. Now please open your books and turn to P175. Picture 1: aired A:What has she just done B:She has just aired the room. Picture 2: cleaned A:What have they just done B:They have just cleaned their shoes. Now please complete other dialogues with this sentence pattern. Then do exercises on P176. ( )1. ___, Mum. I’m looking for my toy car. A. Excuse the mess for me B. Excuse mess C. Excuse me with the mess D. Excuse the mess ( )2.A:Billy, go and do your homework. B:Oh, Mum. I have ____ finished my homework. A. yet B. ever C. already D. never ( )3. I ___ a holiday next month. A. am going to have B. have had C. have D. had ( )4. A: Have you ___ your lunch B:Yes, I ___ it an hour ago. A. have; had B. had; have C. had; had D. have; have ( )5.A: Did you read the book last night B:No, I ____ it three times. A. have read B. was reading C. have readed D. readed D C A C A 一、单选 1. This is the first time I have_____(be) in Australia. 2. My brother_____(write) a letter at the moment. 3. Tom_____(do) his homework just now, but now he_____(finish) already. 4. May often_____(go) shopping on Friday, but she _____(stay) at home last Friday. 5. Listen! Someone_____(knock) at the door. been is writing is knocking goes stayed have finished did 二、用所给动词的适当形式填空 COVID-19 Lead in What do you know about Paris the Eiffel Tower The Eiffel Tower is a famous landmark in Paris. What do you know about Paris 地标 Arch deTriomphe Arch de Triomphe is to honour a victory in war. 凯旋门正如其名，是一座迎接外出征战的军队凯旋的大门。它是现今世界上最 ... ...
