2025年中考二轮复习动词时态之现在完成时课件

动词时态之现在完成时 www.v5ppt.com 1 现在完成时的含义 1. 表示过去发生或已经完成的动作对现在的影响或结果 陆 现在完成时的含义 2. 表示过去已经开始,一直延续到现在的动作或状态。 She has taught in this school for three years. 表示一种持续的状态 回忆现在完成时的2个含义 现在完成时构成与句式 have /has (助动词) +done(过去分词) 肯定句:I _ my homework. 否定句:I _ my homework. 疑问句:_ you _ your homework? 回答: Yes, I have. No, I haven't. have done haven’t done Have done 过去分词的变化情况 过去分词与过去式一致 不规则过去分词表 现在完成时含义及其标志词 1. 表示过去发生或已经完成的动作对现在的影响或结果 2. 表示过去已经开始,一直延续到现在的动作或状态 1. 表示过去发生或已经完成的动作对现在的影响或结果 标志词:already / yet ,never/ever, before,so far等 already: 意为“已经”,通常用于_句。 I've already read this book. I've washed my shirt already. 肯定 yet: 用在疑问句中意为“已经”,用在否定句中意为“还”。 -Has he found his watch yet? -No, not yet. 对现在影响:_ The woman hasn't found her dog yet. 没找到,还要找 already用在_句, yet 用在_句。 肯定句 否定,疑问 -Have they taken down the old pictures _? -No,they haven't _. Most of us have finished our task _. He said he hasn't visited the exhibition _. The train has _ left. yet yet yet already already A.already B.yet ever: 意为曾经,多用于疑问句。 Have you ever been to Hong Kong? before: 意为之前,总是放在句末。 Have you been to Hong Kong before? so far: 到目前为止动作或状态已经发生。 She has passed the exam so far. 1. 表示过去发生或已经完成的动作对现在的影响或结果 标志词: already 已经,用于肯定句 yet 否定句表已经,疑问句意为“还” ever 曾经,否定疑问句中 before 以前 so far 到目前为止 never,just等 never,ever,already,before,yet 1. I have _ seen him before, so I have no idea about him. 2. Jack has _ finished his homework . 3. -Have you _ seen the film? 4. -Would you like to go to the zoo with me? -Yes, but I have been there _. 5. -Has the bus left_? never already ever before yet 2. 表示过去已经开始,一直延续到现在的动作或状态。 since+过去年份 Mr.Smith has worked here since 1984. since+过去时句子 He has learned 5000 English words since he went to college. since+...ago My uncle has worked at this school since five years ago. 2. 表示过去已经开始,一直延续到现在的动作或状态。 for + 一段时间 We _(know) each other for twenty years. We _(learn) English for six years. haven’t known haven’t learnt for +时间段 since + 过去时间点 since,for 总结 A. since B. for 1. We haven't seen each other _ a long time. 2. His father has been in Party_ 10 years ago. 3. The film has been on _ 20 minutes. 4. Mr. Green has worked here _ he came to China. 5. His grandparents have been dead _ several years. 6. It's five years _ we met last time. for since for since for since 用所给词适当形式填空 1. I _ already _ (see) the film. I _(see) it last week. 2. _ he _ (finish) his work today?Not yet. 3. I _(work) here since I _(move) here in 1999. 4. So far I _(make) quite a few friends here. 5. I _(be) to Shanghai for several times. 6. What _ you _(do) yesterday? have seen saw Has finished have worked moved have made have been did do have been to, have gone to, have been in Have you ever been to the Great Wall? -Where is Tom? -He has gone to the bookstore. Mr.Brown has been in Shanghai for three years. Summarize 总结 have been to 曾经去过某地,现在不在那里了 have gone to 到某地去了,刚到某地或在路上,不 在说话地 have been in 在某地待多长时间,常与一段时间 状语连用 1. -Where are the boy students? -They _ to the factory. have been to, have gone to, have been in 2. -Is your father in? -No, he_ to Shenzhen. -_he ever_there before?-Yes, he _there several times. 3.My mother _ Beijing and she will come back in two days. 4. He _ Shanghai for a week. He is there on business. 5. I _Hong Kong twice. have gone has gone Has been has been has gone to has been in have been to 延续性与非延续性动词 理解概念!!! 非延续性动词 :动作发生后立即结束 borrow,buy, put on, open, begin, finish, join... 非延续性动词 转化为 延续性动词 borrow- keep put on- wear buy- have begin- be on join- be in finish- be over turn on- be on die- be dead open- be open lose- be lost borrow- put on- buy- begin- join- finish- turn on- die- open- keep have be on be on be open wear be on be over be dead lose- be lost marry- be married 将括号内非延续性动词转换为适当延续性动词形式 1. He _( die ) for ten years. 2. He _(borrow) the book for 2 weeks.. 3. The light _(turn on) for 2 hours. 4. The film_(begin) for 30 minutes. 5. The door _(open) for an hour. 6. The work _(finish) for 2 days. has been dead has kept has been on has been on has been open has been over 语境 时间标志词 并列关系的谓语动词时态 Goodbye www.v5ppt.com 29 $$