Unit 3知识点2022-2023学年牛津上海版英语七年级下册.docx

1、Unit Three 语法小结Name: Class: 1. quite a few years = many years quite ad. 相当，十分 Ann is quite pretty. (quite+adj.) I quite like watching volleyball games. (quite+v.)2. since和for的用法since用于过去的时间前，意指“从那时起到现在”，常和现在完成时连用。He has been here since last Monday.since后接一个表示时间点的时间状语从句，主句常用现在完成时，从句常用过去时。He has worke

2、d for us since he left school.for用来表示一段时间，常与现在完成时连用，表示动作延续到说话的那一刻。He has worked here for a year. =He has worked here since one year ago.所有for和since的划线部分提问均用 “How long”延续性动词如：live, teach, learn, work, study,等，可与for或since引导的时间状语连用；而非延续性动词如：come, go, leave, start, die, finish, become等则不能，但可以用完成时态。若非延续性

3、动词要与for或since引导的时间状语连用，必须与其意思相同的延续性动词替换。如要表示“电影已经开始十分钟了”，begin不能与for ten minutes连用，那就要用be on来替换，译成：The film has been on for ten minutes.瞬间动词 延续性动词leave have been away fromdie have/has been deadbegin/start have/has been on borrow have/has keptbuy have had join have been in (have been a member of )3.

4、反意疑问句(1). 反意疑问句中问句部分和陈述句部分构成相反关系，即前肯后否，前否后肯。 Theyre very late for the meeting, arent they?(2). 反意部分的助动词与陈述部分的动词要匹配，在时态上一致。 He has dinner at home every day, doesnt he?Tom has known the man, hasnt he?There are a lot of people on the road, arent there?(3). 陈述部分若含有由un-, im-, in-, dis-等否定意义的前缀构成的词语时，陈述部分

5、仍为肯定，反意部分要用否定。 Your father is unhappy, isnt he? Its impossible to arrive there on time, isnt it?She dislikes staying at home alone, doesnt she?He failed to pass the test, didnt he? (4). 陈述部分带有little, few, never, hardly, seldom, rarely, nobody否定意义的词语时，反意部分用肯定。 She never tells a lie, does she? He was

6、seldom late, was he?(5). 陈述部分为I am时， 反意部分为arent I? I am a very honest man, arent I?(6). 反意疑问句的回答形式类似于一般疑问句，回答从客观事实出发。 -Cathy is reading an English magazine now, isnt she? -_ _. She is busy cleaning the house. -He isnt a teacher, is he?-_. He has worked in this school for two years.4. waiter n. 男服务生

7、waitress n. 女服务生 wait v. 等待 wait for sb.5. train v. 训练，培养 They are training for the boat race. Mother trained us to be honest. 联想 trainer 训练员 trainee 受训的人 train n. 火车 an express train 快车6. headmaster 男校长 headmistress 女校长 principal 校长7. machine n. C 机器 mechanic n. C 机械师, 机修工8. engineer n. C 工程师 engin

8、e n. 引擎9. use sth. to do = sth. be used to do use sth. for doing = sth. be used for doing We use water to wash clothes.= Water is used to wash clothes. We use fire for cooking.=Fire is used for cooking.10. tell the time 报时 tell the truth, tell a story, tell a lie, tell the difference11. hold the key

9、s 挂钥匙 hold v. (held, held) She is holding her raincoat tightly. (抓住) The hall can hold 1000 people. (容纳) They held many meetings with the foreigners. (举行) Hold on. (请稍等；别挂断)12. fantastic = wonderful 13. have fun=have a good time=enjoy oneself 玩得开心，过得愉快14. carry v. 携带，承载1) She carried her baby on her

10、 back. 2) The ship can carry 700 passengers. 3) A road bridge carries a lot of traffic. Exercises: I. 用since和for填空:1. He has lived in Nanjing _ the year before last.2. Ive known him _ we were children.3. Our teacher has studied Japanese _ three years.4. She has been away from the city _ about ten ye

11、ars.5. Its about ten years _ she left the city.II. 保持句意不变：1. His grandfather died 5 years ago. His grandfather _ for 5 years.2. The film began one minute ago. The film _ for one minute. 3. They bought a large house a few days ago.They _ a large house for a few days. 4. My father left Europe last wee

12、k. My father _ Europe since last week.5. My elder brother joined the army in 1998. (2种)My elder brother _ since 1998. My elder brother _since 1998. III. Fill in the blanks with a, an and the.1. Im looking for _ pair of shoes for my daughter.2. There is _ s in the word bus.3. Is this _ novel that has

13、 won the Best Literature of the Year?4. Harry Potter is _ fiction film while Ocean is _ documentary.5. _ view from our window was beautiful green countryside.IV. Complete the sentences by using spend, cost and pay properly.1. Last year, the trip to New Zealand _ us 20,000 yuan altogether.2. How long have you _ finishing your school project?3. Children under 12 should _ 10 yuan _ each ticket.