2017年人教版七年级英语下册各单元知识点汇总Unit 1 Can you play the guitar ?1. can+动词原形，它不随主语和数而变化。
(1) 含有can的肯定句：主语+can+谓语动词的原形+其他。
e.g. He can play the guitar.(2) 变一般疑问句时，把can提前：Can+主语+动词原形+其他？e.g. Can he play the guitar?肯定回答：Yes主语+can。
否定回答：No,主语+can't.e.g. Yes, he can./ No, he cdn(3) 含有can的否定句：主语+can't+动词的原形+其他。
e.g. He can't play the guitar.⑷含有can的特殊疑问句：特殊疑问词+can+主语+动词原形+其他？ e.g. What can he doin the club?2. join参加，加入，指加入党派，团体等组织。
join the army/party 参军、入党Join sb. “参加到某人中”join in (doing) sth. “加入做.... ,参加某个活动”join in=take part in + 活动, 比赛3. 说某种语言：speak+语言e.g. speak Chinese/English4. play+球、棋、牌；play + the+乐器。
5. 擅长于(做)什么：be good at +名词/动-ingbe good with善于应付，和….相处融洽be good for对….有益be good to 对• •好6. 帮助某人做某事:help sb. (to ) do sth.在某方面帮助某人:help sb. with sth.7. 想要做某事：want to do sth想要某人做某事：want sb. to do sth.需要某人/时间做某事:need sb./some time to do sth.叫某人做某事：ask sb. to do sth.教某人做某事:teach sb. to do sth.让某人做某事：let sb. do sth.8. ---What club do you want to join ?---1 want to join the chess club and the basketball club.9. ---What club does Tom want to join?---He wants to join the swimming club .10. He can't play the violin or the piano.Can you help kids with swimming?11. ---Why do you want to join the English club?---Because I want to learn Englishwell.12. go for a swim=go swimming 去游泳13. show sb. sth.=show sth. to sbll 示某物给某人看Please show some pictures to me.=Please show me some pictures.14. talk to/with sb.和••交谈；talk about 谈论某事15. 交朋友make friends16. 在周末：on the weekendon weekends/at weekendsUnit 2 What time do you go to school ?1、what time和when引导的特殊疑问句。
对时间提问用what time,也可以用when。
询问钟点时用what time,询问日期、月份、年份时用when。
询问做某事的时间时，两者可以互换。
其他询问时间的句子：What's the time? =What time is it狈在几点了？时刻表达法：顺读法和逆读法。
(1) 顺读法：“钟点+分钟”直接读数字。
(2) 逆读法：借助介词past或to表示，要先说分再说钟点。
A.当分钟不超过30分钟时（包括30分钟），即＜或=30,用past表示。
其结构为：“分钟+past+整点”意为“几点过几分”。
B.当超过30分钟时，即＞30,用to表示。
译成“差”，差几分钟到几点。
C.当分钟为30分钟用half表示，当分钟为15分钟用a quarter。
2. always 总是＞usually 通常＞often 常常＞sometimes 有时3. watch+TV （电视）、球赛“观看，观赏”，特指长时间注视。
see+电影、医生；“看见”，强调看的结果；look “看”，强调看的动作，look后接宾语时要用介词at。
read即刊、杂志“阅读”4.listen to + 宾语listen to music 听音乐5. take a shower "洗淋浴”6. eat breakfast 吃早餐吃一顿丰盛的早餐eat a good breakfast7. go to +地点名词如：go to schoolgo+地点副词省略to如：go home8. I can sing and dancel. ----------------------------注意把and换为orI can't sing or dance. ___________ _____1 r9. 起床get up 穿衣服get dressed 刷牙brush teeth10. toothbrush 牙刷;广播节目radio show;广播电台radio station散步 take a walk/go for a walkUnit 3 How do you get to school?一、重点短语1. get to school 到校2.take the subway 乘地铁3. take the train坐火车4.leave for… 动身去某地leave some place for some placed开某地去某地5. ......................... take…to••把带到6. most students大多数学生7. from- to••从... 到.... 8.ride bikes/a bike 骑自行车9. take the train to school 乘火车去上学10. go to school by boat 乘船去上学11.on the school bus乘坐校车12.be different from 和...不同13.one 11-year- old boy 一个岁大的男孩14.两者之间between-and.. 汽车旅程bus ride火车旅程train ride 地铁旅程subway ride每天every day 实现，成为现实come true二、重点知识详解1. take +a/an/the+表示交通工具的名词，乘……去某地，是动词短语，在句中作谓语。
He takes the train to Beijing.take the subway^地铁take a walk 散步take a shower 洗淋浴take a rest休息一会take a seat 坐下take some medicine吃药2. by+表示交通工具的单数名词或on/in+ a/an/the/ones+表示交通工具的单数名词，是介词短语作方式状语。
I get to school by bike. = I get to school on my bike.3. walk/ride/drive/fly+to+地点名词，步行/骑自行车/开车/坐飞机去某地；表示乘交通工具方式可以互换表达相同的意义：take the bus to schoo=l go to school by bus=go to school on a busdrive a car to work=go to work by car=go to work in a carfly to shanghai=go to shanghai by plane/air=take the/a plane to shangha=go to shanghai on a/the plane.4. get表示“到达”，后接名词需加to,接地点副词不加to.reach给示到达，是及物动词，其后直接接宾语。
arrive in+大地点arrive at +小地点后接副词不需介词。
5. It takes sb. some money/time to do st花费某人时间/钱做某事sb. pay some money for sth某人为某物花费多少钱sb. spend some time/money on sthK人在做某事或某物上花费时间/钱sb. spend some time/ money (in)doing sth.sth. cost sb. some moneyft物花费某人多少钱6. How far is it from A to B?=How far is B from A?答语有两种：(1) It & ・ meters/miles/kilometers(away府米/英里/千米(远)(2) It s about ten minutes walk/ ride.约有十分钟步行/骑车的路程。
7. have to后加动原，侧重客观的需要，有“不得不，被迫”之意，有多种时态形式，否定式为don't have to (needHt)意为“不必”。
must侧重于说话者的主观看法，认为有必要或有义务做某事，只有现在时一种形式，否定式must't意为“一定不要，不允许，禁止”反意词为“needn't”或don't have to/ doesrit have too8. dream of /about sb. /sth#见某人、某物dream of/about doing sth梦想做某事9. be afraid of sb./sth.害怕某人、某物doing sth.害怕做某事be afraid to do sth害怕做某事10. be like 像…look like 看起来像••- like to do/doing sth.11. what do you think of ・ .？ = how do you like -.?认为••怎么样？12. It is +adj. + for sb.to do sth.of sb. 当表示事物特征时,如difficult, easy .important 等，用介词for;当表示人物品质时，如good, nice, kind等，用介词of.e.g. It is difficult for you to do math homework.e.g. It is kind of you to dress my sister every morning.三、语法归纳（一）how引导的特殊疑问句how引导的特殊疑问句提问交通方式，其答语分四种情况：a. take a/an/the咬通工具（单数）to地点b. 动词walk/ride/fly/drive+to+ 地点地点副词，省toc. by+交通工具（单数）d. on/in+限定词+交通工具how far用来提问距离，多远，其答语分为两种：（1）用长度单位表示:It is five kilometers.（2）用时间表示:It's twenty minutes' walk.how long用来提问时间，意为多久回答常用“ for+段时”。