人教版七年级下册英语第四单元词组、句型及重难点解析课件.pptx

1、Unit 4 Dont eat in class. 一、重点词组一、重点词组 1. in class 在课堂上 （反）after class in the class 在班上，在班级上 2. arrive late for class 上课迟到 = be late for class arrive at + 小地点名词 arrive in + 大地点名词 arrive home/here /there 一、重点词组一、重点词组 3.get to + 地点名词 get home/ there/ here He arrived in Beijing yesterday afternoon. 昨天下

2、午他到的 北京。 4. too many太多 + 可数名词复数 He has too many questions to ask. 他有太多的问题要问。 too much 太多 后面跟不可数名词，也可以作副词词组， 修饰动词 一、重点词组一、重点词组 Dont drink too much tea. 不要喝太多的茶。 She talks too much. 她说得太多。 5.much too 太，非常 修饰形容词，副词，不修饰动词。 Its much too cold. 天太冷了。 The question is much too difficult. 这个问题太难了。 一、重点词组一、重点词

3、组 6. be in bed 在床上，卧床 Dont read in bed. 不要躺在床上看书。 on the bed 某物在床上 There is a book on the bed. 床上有本书。 一、重点词组一、重点词组 7. by ten oclock 十点钟以前 by 在之前，不迟于 He has to go to bed by nine oclock. 他必须在九点前睡觉。 by 乘坐某种交通工具 She goes to school by bus. 她乘公交车上学。 by 通过方式 They learn a lot by TV. 他们通过电视学到很多东西。 一、重点词组一、重点

4、词组 8. hear，listen和sound都有“听”的意思，但三者是有区别的。 Hear“听说”，侧重于“听”的内容 Im sorry to hear that you are ill. 听说你生病了，我很难过。 I never heard such an interesting story. 我从来没听过这么有趣的 一个故事。 Listen“听”，侧重于“听”这一动作。Listen to me carefully. 认真 听我说。 The children like to listen to music. 孩子们喜欢听音乐。 一、重点词组一、重点词组 Sound“听起来”，它是系动词，后

5、面接形容词等。That sounds great. 那听起来真不错。 It sounds like fun. 听起来挺有趣。 9.on school nights 在学校的晚上 10.school rules 校规 11. the Childrens Palace 少年宫 一、重点词组一、重点词组 12. eat outside 在外面吃饭 13. hang out 闲荡（逛） He doesnt like hanging out with friends after school. 他不 喜欢放学后和朋友闲逛。 二、重要二、重要句型句型 一）No talking . 禁止说话！ 用于省略结构

6、，表示“不要，禁止”后加名词或动名词。 （相当于否定的祈使句） No photos 请勿拍照 No smoking = Dont smoke . No parking = Dont park. 二、重要二、重要句型句型 1. Dont arrive late for class. 上课不要迟到。 2. Can we bring music players to school? 我们可以带音乐 播放器到学校吗？ 3. And we always have to wear the school uniform. 并且 我们总是不得不穿校服。 二、重要二、重要句型句型 4. There are to

7、o many rules! 有太多的规则！ 5. Dont leave the dirty dishes in the kitchen! 不要把脏盘 子留在厨房里！ 6. I have to keep my hair short. 我不得不留短发。 二、重要二、重要句型句型 二）What else do you have to do ? We have to clean the classroom. 你们还得做什么？ 我们还得打扫教室。 1. else 其他的，只修饰特殊疑问词和不定代词，且位于其后。 Where else did you go last Sunday? 上星期日你去过其它地方

8、吗？ Nothing else, thank you.不要别的了，谢谢。 other 修饰名词，且置于其前。 What other animals do you like? 二、重要二、重要句型句型 2. have to 不得不 有时态、人称和数的变化，指外部环境有要求， 多表达客观要求。 must必须无时态、人称和数的变化，着重指说话人带有强烈的要求， 多表达主动的意思，出于本人自觉。 I must do my homework now. 我现在必须做作业了。（主动） I have to do my homework now. 我现在不得不做作业了。（被动） I didnt have to

9、stay at home last night. 昨晚我不必呆在家里。 三、重难点解析三、重难点解析 1. must是情态动词，后面加动词原形。 当must用于否定句时，mustnt意味“千万 不要，禁止”，而不表示“不必”。 eg.You mustnt be late for school. 以must开头的一般疑问句，做肯定回答还 用must,做否定回答要用neednt或 dont have to,而不用mustnt. eg.Must I clean the room? No,you neednt./No,you dont have to. 三、重难点解析三、重难点解析 2. wear a

10、 hat 辨析辨析wear,put on,be in wear是及物动词，意为“穿，戴”，表示状态 eg.He wears a black T-shirt. put on意为“穿，穿上”，强调穿的动作 eg.Its cold outside, put on your coat. be in+颜色/衣服，意为“穿着.颜色的衣服” eg.She is in red. 三、重难点解析三、重难点解析 3. bring与take的区别。 bring“带来，拿来”，指从别处带到说话者所在 的地方，bring sth. to sp.“把某物带到某地” eg.Please bring your book to

11、 me. take“带走，拿走”，指从说话者所在的地方带 到远处去，take sth. to sp.“把某物带去某地” eg.Please take your book to school. take . away 把.带走 三、重难点解析三、重难点解析 4. practice the guitar practice sth. 练习某事/某物 practice doing sth. 练习做某事 eg.I often practice my English in the morning. He practices playing the piano every day. 5.do the dis

12、hes=wash the dishes清洗餐具 三、重难点解析三、重难点解析 6. help his mom make breakfast help sb. do sth.帮助某人做某事 eg.He often helps me clean the room. help sb. with sth.帮助某人做某事 eg.I often help him with his lessons. 三、重难点解析三、重难点解析 7. There are too many rules. 辨析too many,too much与much too too many+ 可复 表示“太多.”， eg.There a

13、re too many flowers in the garden. too much+不可数名词 表示“太多.” eg.I have too much homework this evening. much too+ adj./adv. 表示“太.” eg.This little boy is much too fat. 三、重难点解析三、重难点解析 8. At school，we have more rules more意为“更多的”，此处是many的比较级， 修饰可数名词复数。同时也是much的比较级， 可修饰不可数名词。 eg.She has more books than I. He

14、 bought more milk. 三、重难点解析三、重难点解析 9. After dinner,I cant relax either. 辨析relax,relaxing和relaxed relax是动词，意为“使放松” eg.Playing games always relaxes me. relaxing是形容词，修饰物，意为“令人放松的” eg.This film is very relaxing. relaxed是形容词，修饰人，意为“感到轻松的” eg.He is relaxed after listening to music. 三、重难点解析三、重难点解析 10. eithe

15、r表示“也”，用于否定句中 eg.I dont like apples either. too表示“也”，用于肯定句和疑问句 eg.I like apples too. Do you like apples too? 三、重难点解析三、重难点解析 11. I know how you feel. 本句中how you feel是宾语从句，做know的宾语。如果一 个完整的句子在复合句中充当宾语，那么这个句子就叫宾 语从句。注意宾语从句必须用陈述语序。 eg.He doesnt know where the post office is. He told me what I should rea

16、d. 三、重难点解析三、重难点解析 12. Parents and schools are sometimes strict, but remember, they make rules to help us. (1)strict是形容词，意为“严格的，严厉的”， be strict with sb.对某人要求严格 be strict in sth.对某事要求严格 eg.She is a strict teacher. My parents are strict with me. Our teacher is strict in our homework. 三、重难点解析三、重难点解析 (2)

17、remember表示“记住”，反义词forget remember to do sth.记得要去做某事，说明事 情还没有做。 eg.Remember to telephone me . remember doing sth.记得做过某事，说明事 情已经做过。 eg.I remember seeing her in the city. 三、重难点解析三、重难点解析 中考链接 Remember_the book to the library when you finish_it. A.to return;to read B.returning;reading C.to return;reading

18、 D.returning;to read 三、重难点解析三、重难点解析 13 .because I have to/must learn to play the piano. learn to do sth.学会做某事 eg.We must learn to drive a car. learn from.向.学习 eg.We should learn from Lei Feng. learn. by oneself自学 eg.He learns French by himself. 用于某些谚语中 Its never too old to learn. 第三人称： 宾格+self /selv

19、es 其余人称： 形物+self/selves(反身代词） 三、重难点解析三、重难点解析 14. We have to follow them. follow做及物动词，意为“遵循，遵守” follow the rules遵守规则 eg.We should follow the traffic rules. follow sb. to do sth.跟随某人做某事 eg.I followed him to the station. 三、重难点解析三、重难点解析 15.I have to/must keep my hair short. keep+宾语+宾语补足语(adj.) 使.保持某种状态

20、eg.We must keep the room clean. 祈使句的用法 1.定义： 用于表达命令、请求、劝告、警告、禁止等的句子叫作祈使句。 II.用法： 肯定祈使句以动词原形开头。祈使句的动词都为一般现在时，句末则 使用句号或感叹号来表示结束。 (1)肯定结构： Do型即：动词原形(宾语)其他成分 Please have a seat here.请这边坐。 Be型即：Be表语(名词或形容词)其他成分 Be a good kid！要做一个好孩子！ Let型(即：let宾语动词原形其他成分) Let me help you.让我来帮你。 (2)否定结构： Do型和Be型的否定式都是在句首加

21、dont。 Dont be late for school！上学不要迟到！ Let型的否定式有两种：Dont let宾语动词原形其他成分；Let 宾语not动词原形其他成分。 Dont let him go./Let him not go.别让他走。 语法加油站 1. _ smoke in the hospital! A. Not B. Dont C. Dont you D. No 2. _ play soccer with us? Id like to, but I have to help my mother with housework. A. Why dont B. Why not C. Why D. Lets .单项选择 语法加油站 3. Let Amy _ her homework by herself. A. do B. does C. did D. to do 4. Lets go to the park, _? A. will you B. shall we C. will us D. isnt it