七年级英语下册unit4don27teatinclass知识点总结Word格式文档下载.docx

1、t talk. = No talking.不要说话2、知识点解析1. Dont fight. 不要打架。fight作动词，意为“打架、打仗”。其过去式为fought.fight for “为而斗争”，后面常接抽象名词，表示为事业、自由等而斗争。. They are fighting for freedom. 他们正为自由而战。fight against “为反对而战斗”，后接事物名词、人和国家名词。. They fought against the enemy. 他们和敌人作战。fight with “和打架”，“同（并肩）战斗”，后只接表示人或国家的名词。. Dont fight with

2、him. 不要和他打架。2. Ms./Mrs./Miss.Ms.：“女士”，用于婚姻状况不明或不想区分婚否的女子的姓前。Mrs.：“夫人”，用于已婚女子姓前。 Madam：也用于已婚女子，意为“夫人、女士”，一般单独使用，不与姓连用Miss.：“小姐”用于未婚女子姓前，还常用于年轻的女教师的姓前，可译为“老师”。3. 【辨析】 get to/reach/arrive 都表示“到达”不同点：get to+地点；reach+地点 arrive at+小地点（车站等）；arrive in+大地点（国家等）【解析】get to与地点副词（here/there/home）不用介词to. I want t

3、o go to Beijing. I got home at 15:00. arrive是不及物动词，后面若接地点名词则要和in/at连用，接地点副词时则不用介词。. I arrived home at 15:00. = I got home at 15:00. He arrived in Shanghai yesterday. reach是及物动词，后面直接接地点名词或副词。. When will they reach here4. 【辨析】意义例句on time“准时，按时”，不早不晚He always go to school on time.in time“及时”Fireman rea

4、ched the house on fire in time.5. 意义和用法hear “听说”，侧重于听的内容I never heard such an interesting story. Im sorry to hear that you are ill.listen“听”，侧重于听这一动作The children like to listen to music. Listen to me carefully.sound“听起来”，系动词，后接形容词It sounds interesting.That sounds great.6. 辨析take,bringtake “带走，拿走”，指把

5、东西从说话地带到别的地方。. Can you help me to take the books to the classroombring“带来”，指把东西从别处带到说话地。. Bring your homework here tomorrow, please.5. 【辨析】wear, put on, dressinwear是动词，表示“穿”，强调状态。. My father wears a T-shirt today. 我爸爸今天穿着T恤衫。put on表示“穿上、戴上”，强调动作。. Its cold outside, put on your coat please. 外面非常冷，请穿上

6、你的大衣。dress 作动词时，表示“为穿衣”，后接反身代词或人，也可以不接宾语。. Can you dress the baby for me The little girl can dress herself. in 表示穿着的状态，后接颜色或服装。. The girl in red is my sister. The girl in hat is very beautiful.7. strict是形容词，意为“严格的；严厉的”. She is a strict teacher.be strict with sb. “对某人严厉”. Mr. White is very strict wit

7、h us. We should be strict with ourselves. be strict in （doing） sth. “对某事要求严格”. Our boss is strict in our work. 8. remember “记得，记住”，是及物动词，可以直接加名词。remember sth./sb. 记得，记住某人. Please remember this sentence. 请记住这个句子。remember doing sth. 记得已做过某事（已做）. I remember seeing him once.remember to do sth. 记得要去做某事（还

8、没做）. Remember to post the letter for me.反义词：forget “忘记，忘了”，用法和remember相同。9. help作动词意为“帮助”，常用的结构：help sb. （to） do sth. 帮助某人做某事help sb. with sth. 帮助某人做某事. I often help him with his lessons.help oneself （myself/yourself/herself） to+n. 请随便用. Please help yourselves to some fruit.help还可作名词，表示“帮助”，是不可数名词。.

9、 Thank you for your help. 10. too many, too much与much too易混词组用法too many形容词，“太多”修饰可数名词There are too many people in the park.too much修饰不可数名词I have too much homework today.much too副词，“太，非常”修饰形容词/副词My mother is much too busy.11. either, too与also易混词either都表示“也”用于否定句中，置于句末时用“，”隔开I wont go there, either.to

10、o用于肯定句句末，用“，”隔开I like dancing, too.also用于肯定句句中，动词前I also like English.12. have fun=have a good time=enjoy oneself 表示“玩得开心，过得愉快”. I had fun in the park last Sunday.13. be in bed “在床上、卧床”（注：in 和bed之间不能用冠词，bed也不用复数） . He is in bed for 10 years. Dave has to be in bed early every night. 14. No talking !

11、“禁止交谈！” no后面加上名词或动名词doing表示不要做某事。与dont +do的用法相似。. No wet umbrellas! / Dont put wet umbrellas here! 禁止放湿雨伞 No food!t eat food here! 禁止吃食物 No smoking!t smoke here! 禁止吸烟 15. dish 名词，意为“碟，盘”，做餐具讲时，常用复数形式，其前常加the。do the dishes =wash the dishes，意为“清洗餐具”。 . Its your turn to do the dishes today. 今天轮到你洗碗了。di

12、sh 还可用作可数名词，意为“菜肴，一道菜”。. He likes cold dishes. 他喜欢凉菜。 【辨析】dishplate dish和plate都是“盘，碟”的意思，它们的区别在于：dish可以泛指就餐时所用的餐具，包括盘、碗、碟、杯、刀、叉等，特指较深的盘子。. Please dry the dishes and put them away. plate 指较平的盘子、碟子, 可用来盛汤，也可用来装菜。. Our host was very generous, heaping a plate of food to us. 16. practice practice 作及物动词，意

13、为“练习，训练”，其后可跟名词、代词或动名词做宾语。. I often practice my English in the morning. He practices playing the piano every day. practice 作名词，意为“练习，实践”，是不可数名词。. Playing the piano needs a lot of practice. Practice makes perfect. 熟能生巧。17. follow 动词，意为“遵循，跟随”。follow the rules 意为“遵守规则”。. You must follow the school rul

14、es. 你必须遵守学校规章制度。【拓展】follow常见的其他用法 跟随，跟着. Please follow me. Ill show you the way. 明白，领悟. You are speaking too fast and we cant quite follow you. 表示“沿而行” . follow the road 18. feel 作行为动词，意为“觉得，认为” . How do you feel today I feel that you will win. feel 作连系动词，意为“感觉，摸起来”，其后跟形容词作表语。. I feel happy today. Y

15、our hand feels cold. 三、重点语法1. 情态动词have to的用法意思是“必须、不得不”，它侧重于客观上的必要和外界的权威。结构：主语+have to+动词原形+其他 一般现在时：主语是第三人称单数时用has to，其它时候用have to（过去时：无论人称和单复数都用had to） . We have to wear sneakers（运动鞋）for gym class. Tom has to practice the guitar every day. I had to get up at 5:00 am last Monday. 否定形式：主语+dont have

16、to+动词原形+其他 主语是第三人称单数时用doesnt have to, 其它时候用dont have to 无论人称和单复数都用didnt have to） . Nick doesnt have to wear a uniform. We didnt have to do our homework at once. 疑问句：Do, Does或Did+主语+have to +动词原形+其他 . Do you have to stay at home on weekends Yes, I do. / No, I dont. Did he have to go to bed by 11:00 l

17、ast night2. 情态动词must的用法must表示说话人的主观看法，及主观上的必要性，还用于命令或愿望。只用于现在时，无人称和单数的变化。在表示过去、将来和完成时，用have to的相应形式来代替must.在表示有做某一个动作的必要和义务，它的意思是“必须，应该”。. You must finish your homework first.表示有很大把握的判断或者推测，意思是“一定，准是”。. The tall man must be your father.以must开头的一般疑问句，它的否定回答用neednt（不必要），不用mustnt（不允许），mustnt常用于否定句中表示“不

18、允许，禁止”。. Must I go there on foot No, you neednt. You mustnt park your car here.3.情态动词can的用法 表示能力：“会；能”， . Can you play the guitar Judy can speak a little Chinese. I can dance and sing. 表示允许、许可：“可以；能”. Can the students run in the hallways（走廊） We can eat outside. Can I come in 【注】同样是情态动词can 和have to 的

19、用法是有区别的，和大部分情态动词一样，can在否定句中直接在can后加上not；在疑问句中把can放到主语前面，并且没有人称和数的变化，而 have to 是有相应变化的。4. 祈使句（Imperative Sentence）定义：用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句，祈使句最常用于表达命令，因此有时也常称为命令句。祈使句因对象（即主语）是第二人称，所以通常都省略。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。祈使句的肯定句：行为动词原形+其他. Go and wash your hands. 去洗你的手。命令 Be quiet, please.= Pleas

20、e be quiet. 请安静。请求 Be kind to our sister. 对姐妹要和善。劝告 Watch your steps. 走路小心。警告 Look out！Danger！ 小心！危险！强烈警告 Keep off the grass. 勿践草坪。禁止 No parking. 禁止停车。以Let开头的祈使句，Let后宾语是是第一人称时，否定形式是在宾语后加not,. Lets not do that again.我们别再那样做了。 如果Let 后面宾语是第三人称，否定形式是在Let前加助动词Dont,. Dont let them come in.别让他们进来。祈使句的否定通常使

21、用“Dont ”，Dont+动词原形（行为动词/be动词）+其他. Dont let the dog in. Dont touch（触摸）, please.t be silly.祈使句有时也把主语“You”表达出来，使对方听起来觉得柔和些. You go and tell him, Chris. Test for Unit 4一. 用括号中所给单词的适当形式填空。1. We have to _ （wear） uniforms to school every day.2. Jim _ （have） to brush his teeth before going to bed.3. My moth

22、er often asks me to practice_ （play） the violin.4. Dont _ （bring） music players to school.5. Dont be_（ noise） in the library.6. Does Jack _ （do） his homework on time7. She _ （not like） playing basketball.8. I have to _ （get up） at six oclock.二. 选词填空。1. _ （Dont, Cant ） cross the road when the traffic

23、 lights are red.2. Its cold outside. I _ （can, have to） put on my coat.3. This is _ （quiet, quite） an interesting book.4. Our teacher is very _ （strict with, strict in） us.5. Dont make so much _ （noise, noisy）. Dad is sleeping in the next room.6. After dinner I cant _ （relax, relaxing, relaxed） eith

24、er.7. She likes_ （ dressing, wearing, putting on） sunglasses.8. Speak loudly, please! I cant _ （hear, listen to） you clearly.三. 句型转换，每空一词。1. We cant listen to music in the room. （改为祈使句） _ _ to music in the room.2. Eat in class, please. （改为否定句） _ _ in class, please.3. They have to clean the classroom

25、 every day. （对划线部分提问） _ _ they have to _ every day4. She has to wash clothes every week. （ 改为一般疑问句） _ she_ _wash her clothes every week5. We must wear uniforms on Monday. （改为同义句） We _ _ wear uniforms on Monday.6. She has to get up at six oclock every morning. （ 改为否定句） She _ _ _ get up at six oclock

26、every morning.7. I have to practice my violin on Sundays. （对划线部分提问） _ _ you have to practice your violin8. late, cant, arrive, for, we, school（连词成句） _.9. There is one thing you can do. （改为复数形式） There _ _ _ you can do.四选择填空（20分）1. We can eat in the cafeteria. But we _ eat in the classroom. A. dont B. didnt C. cant D. arent2. When Jim goes _ the classroom the teacher is having class. A. to B. in C. out D. into3. Dont forget_ me this evening. A. to call B. call