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1、七年级英语下册Unit4知识点【Useful expressions】1.No talking 不许讲话 (No+动词ing,禁止.)2.the school rules 校规3.eat in class 上课吃东西4.run in the hallways 在过道上追逐打闹5.in the dining hall 在食堂6.fight with sb.=have a fight with sb.和某人打架7.go out on school nights 在上学期间的晚上外出8.on school days 在上学的日子9.arrive late for class= be late for
2、 class 上课迟到了10.wear a/the uniform 穿制服11.have to 不得不；必须12.eat outside 外面吃东西13.practice doing sth.练习做某事 14.help mom make breakfast 帮助妈妈做早饭17.too many 太多（+可数复数）18.too much 太多（+不可数）19.so many 如此，这么多的（+可数名词复数）20.so much 如此，这么多的（+不可数名词）21.library rules 图书馆规则22.be strict with sb.in sth.在某方面对某人严格23.be quiet
3、 安静 24.be noisy 吵闹25.make the teacher unhappy 惹老师不高兴26.make a noise/make noises 制造噪音27.do the dishes 洗碗28.stay at home呆在家里29.on time 准时30.in time 及时31.learn to do sth.学习做某事32.learn from sb.向某人学习33.follow / keep /obey the rules 遵守规定34.break the rules 破坏规则35.make rules 制定规则36.keep ones hair short 留短发3
4、7.think about 考虑38.make ones bed 铺床39.in your home 在你家 40.at home 在家41.Good luck to you! 祝你好运42.remember doing sth.记得做过某事43.remember to do sth 记得去做某事44.listen to sb.听某人说【Target sentences】1.-What are the rules？-Well, you must be on time for class.Dont fight with your classmates.2.We cant listen to mu
5、sic in the classroom or hallways.3.-Can we bring music players to school? -Yes, we can./No, we cant.4.And we always have to wear the school uniform.5.-Does he have to wear a uniform at school? -Yes, he does./No, he doesnt.6.-What do you have to do?-We have to be quiet in the library.7.Dont leave the
6、 dirty dishes in the kitchen.8.My dad says I cant play basketball after school because I must do my homework.9.After dinner, I cant relax,either.I must read a book before I can watch TV.10.I know how you feel. 11.There are a lot of things you can do.12.Parents and schools are sometimes strict but re
7、member, they make rules to help us.13.I think its best to follow the rules.14.I cant go out on school nights.15.I have to do my homework after school.16.I must practice the guitar before dinner.【Language points】1.Dont arrive late for class.（1）arrive v.到达;是不及物动词，若接地点名词，要加介词in或at。in后接大地方(如城市或国家)。When
8、did you arrive in Nanchang?at后接小地方(如学校、酒店或车站)。I usually arrive at the bus stop at 6:30 every morning.若接地点副词(here/there/home等)，则不用介词。My father arrives home late every night.【易混辨析】（2）祈使句的否定形式本句是祈使句的否定形式，结构为“Dont +动词原形+其他“。祈使句通常省略主语you，以动词原形开头，用于向对方发出指令、请求等。Dont answer the phone while crossing the road
9、.2.You must be on time.（1）must modal v.必须；must 为情态动词，无人称和数的变化。情态动词不能单独作谓语，必须与动词原形一起构成谓语。You must obey the school rules.（2）on time 准时【易混辨析】on time 与in timeThe plane takes off on time.An ambulance （救护车）arrived in time.3.Dont fight.不要打架。fight v.& n.打架；战斗（1）fight在句中作动词，意为“打架”，常用短语：fight with sb.“和某人打架”。
10、Dont fight with the driver in the bus, or youll be punished.（2）fight作动词，还有“战斗”的意思。They fought against the enemy fiercely.他们与敌人进行了殊死搏斗。（3）fight也可作名词，意为“打架；战斗”，短语have a fight(with sb.) 表示“（和某人）打架”。Its not right to have a fight with your friend.4.This is very important. important adj.重要的，名词形式是importanc
11、e,重要性important为形容词，可作表语或定语。常用句型: It is important (for sb.) to do sth.“（对某人来说）做某事是重要的”。For kids, its very important to stay healthy.5.Can we bring music players to school?bring v.带来；取来；bring为及物动词，反义词为take(带走)。常用结构有：Bring your ID card to school.He brings me a big cake.= He brings a big cake for me.【易混
12、辨析】bring, take, carry与get6.Can we bring music players to school?Can we.我们能.吗？该句式用于询问是否许可或征求对方同意。Can we eat in the classroom?No, we cant.7.And we always have to wear the school uniform.（1）have to 不得不，后接动词原形（2）wear v.穿；戴wear作动词，强调状态。其宾语除衣服、鞋、帽子、手套外，还可以是首饰、眼镜、耳机、胡子、假发、奖章等。You should wear a hat for the
13、party.Dont wear earphones while you are out.She always wears a pair of glasses.【拓展延伸】put on也可表示“穿；戴”，但它强调动作，指把衣服鞋、袜、帽子、手套等穿上或戴上。【图解助记】8.practice the guitarpractice v. n.练习(1) practice 在此处作动词，其后可以接名词、代词或动词-ing形式作宾语。You need to practice English every day.These foreigners are practicing speaking Chines
14、e. (2) practice还可作名词，意为“练习”。Practice makes perfect.熟能生巧。Learning English needs practice.学习英语需要练习。9.do the dishes （1）dish n.碟；盘dish作可数名词，常用the dishes表示“（待清洗的）餐具”。dish还有“菜肴；一道菜”之意。The glass dish is beautiful.This is an excellent hot main dish.（2）do the dishes 清洗餐具do the dishes相当于wash the dishes。We mus
15、t do the dishes before we go out.10.before dinnerbefore prep. conj.在以前；adv.以前before 在此处为介词，意为“在以前”，表示时间，反义词为 after(在以后)。You must go to bed before 10 oclock.【拓展延伸】(1) before作介词，还可表示“在的前面”，表示位置，其反义词为behind。There is a desk before me and a chair behind me.(2) before还可作连词，意为“在以前”，后接句子。Do it before you forget.11.At school, we have more rules dont be noisy, dont eat in class, （1）more adj.& pron.更多（的）在此处作形容词，是many的比较级，修饰可数
