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1、-人教版七年级下册Unit 4知识点梳理 (学生版)-第 5 页Unit4 Dont eat in class.一、重点单词7.在外面adv.&adj._ 8.穿；戴v. _ 9.重要的adj. _ 13.练习n.&v._ 14.碟；盘n. _ 15.以前adv.&prep&conj._ 19.吵闹的adj_ 20.放松v. _ 21.可怕的adj. _25.运气；幸运n._ 26.保持；保留v._ 27.头发n. _28.学习；学会v. _二、重点短语 1.准时_ 2.餐厅_3.听._ 4.必须；不得不 _ 5.外出（娱乐）_ 6.清洗餐具_ 7.铺床_ 8.遵守规则 _9.留短发_ 10.
2、在课上；上课时_ 11.太多规则_ 12.音乐播放器_三、用法集萃1. arrive _ 后接小地点 e.g. arrive at school _ 后接大地点 e.g. arrive in Shanghai 2.辨析_ 准时，指正好在规定的时间内。e.g. I arrive at school on time every day. _ 及时，只按照预定的时间行事，不迟，尚有富裕的时间。 e.g. The baby was badly ill. Luckily the doctor came in time. He was saved. 3.辨析 _ (to) 强调听的动作，不及物动词，常与t
3、o搭配接宾语 e.g. We should listen to the teachers carefully in class. _ 强调听的结果，意为“听见” e.g. I hear something noisy. 4. fight _ 为事业、自由、权利而斗争 e.g. They are fighting for freedom. _为反对.而斗争 e.g. They fought against the enemy. _ 同.打架 e.g. Dont fight with him! 5.必须 _ 有人称和数的变化，表示客观上要做的事 e.g. There are no buses an
4、d he has to go to home on foot. _ 情态动词，无人称和数的变化，表示说话人的主观看法，即认为有责任或义务去做某事e.g. You must be on time. 6.practice 是美式写法，英式写法是practise. 其后可接名词、代词或动名词做宾语，即：practice _ sth.e.g. He practices playing the piano every day. 7.before prep. 其后可接名词、代词的宾格形式等。在主句和从句的主语一致的情况下，before后可接v.-ing. conj. 其后连接的是一个句子。 e.g. Hi
5、s father worked in the school before 1999. I finished all my homework before going to bed. Please tell me about it before you leave.8.辨析 _ 表示“忘了，落下；留在；离开”，常与地点状语连用。 _表示忘记某物/事，常表示“遗忘，记不起”，不与地点状语连用。 e.g. I forgot his phone number. e.g. I left my homework at home. 9. be strict _ sb. 对某人严格要求 e.g. He is
6、very strict with his children. _ sth. 对某事要求严格 e.g. She is always strict in her work.10. remember _ sth. “记得去做某事”，事情还没有做e.g. Remember to lock the door. _ sth. “记得做过某事”，事情已做 e.g. I remember locking the door.11. keep的用法 keep作连系动词，其后接形容词，表示“保持某种状态” e.g. You must keep quiet in the library. keep作使役动词，“kee
7、p + sb./sth. + adj.”表示“使某人/某物保持某种状态” e.g. Too much homework keeps me busy and tired. I have to keep my hair short. “keep + 名词/代词 + 介词短语”表示“让某人一直待在某地” e.g. Keep him in the room until he gets well. keep sb. doing sth.”表示“让某人继续/不断地做某事” e.g. He kept me waiting for an hour. keep sb./sth. from doing sth.
8、表示“阻止（防止）某人/某物做某事” 四、重点句子1. 我们上课不能迟到。_2. 我们不能在走廊里听音乐，但我们可以在外面听。_.3. 今天是我来校的第一天。_ 4.有些什么校规呢? _5.别把脏碗筷留在厨房里面!_ 6.我了解你的感受。_7.有许多你可以做的事情。_五、 重点语法-祈使句1. 定义：表示命令、请求、劝告、警告或禁止等的句子。2. 特点：其主语you常省略，谓语动词用原形，句末用感叹号或句号，读降调。3. 结构：肯定结构 Do型 e.g. Get up and get dressed now. Be型 e.g. Be quiet,please. Let型 e.g. Lets go! 否定结构 Dont型 Let sb. not do sth. e.g. Let him not go out.