2022年Unit4Donx27teatinclass知识点解析及练习题

1、学习必备欢迎下载unit 4 dont eat in class 一、知识点解析1.don t fight. 不要打架。fight 作动词，意为“打架、打仗”。fight with sb“和 打架”， “同 （并肩）战斗” ，后只接表示人或国家的名词。eg:don t fight with him. 不要和他打架。2. 辨析：get to/ arrive 相同点： 都是 “ 到达 “ 的意思不同点： get to+地点； arrive at+小地点（车站等） ；arrive in+ 大地点（国家等）注意：get to 与地点副词 （here/there/home）不用介词 to eg:i wa

2、nt to go to beijing. i got home at 15:00.我下午三点到的家。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。eg: i arrived home at 15:00. =i got home at 15:00. he arrived in shanghai yesterday.他昨天到的上海。he arrived yesterday.他昨天到的。【典型例题】-what time do they_shcool? -at about 4:30 p.m. a.come b.go c.arrive d.arrive at

3、 3. on time“准时，按时” ，指按规定的时刻不早不晚。eg:he always go to school on time.他总是按时上学。in time“及时”，指没有迟到，时间还充裕。eg:fireman reached the house on fire in time.消防员及时赶到那幢失火的房子。4.辨析 take,bring take“带走，拿走”指把东西从说话地带到别的地方，和there 连用can you help me take the books to the classroom?你能帮我把这些书带到教室吗？bring“带来”指把东西从别处带到说话地，和 here

4、连用。bring your homework here tomorrow , please.请你明天把作业带到这儿来。【典型例题】_away this dirty shirt and _ me a clean one. a.take;bring b.take;take c.bring;take d.bring;bring 4. strict 是形容词，意为“严格的”； “严厉的” ，通常与be 动词连用。be strict with sb “对某人严厉”eg:mr. white is very strict with us. 怀特先生对我们要求很严格。teaches should be str

5、ict with students. 我们应该对自己要求严格。be strict in (doing) sth “对某事要求严格”eg:our boss is strict in our work. 我们的老板对我们的工作要求严格。5.remember“记得，记住” ，是及物动词，可以直接加名词。remember doing sth记得做过某事 （已做）eg:i remember seeing him once.我记得见过他一次。remember to do sth 记得要做某事（没做）eg:remember to post the letter for me. 记得给我寄这封信。forget

6、“忘记，忘了” ，作 remember 反义词时，用法和remember 相同。6.help 作动词意为“帮助” ，常用的结构有：help sb (to) do sth帮助某人做某事help sb with sth(n.)帮助某人做某事eg:i often help him with his lessons. 我常帮他学功课。help 还可作名词，表示“帮助”，是不可数。7.too many, too much 与 much too 易混词组意义及用法例句toomany形容词，“太，太多”，接可数名词there are too many people in the park. too much

7、形 容 词 ， “ 太多” ，接不可数名词i have too much homework today. much 副词， “太，非my mother is 精品学习资料 可选择p d f - - - - - - - - - - - - - - 第 1 页，共 4 页 - - - - - - - - -精品学习资料 可选择p d f - - - - - - - - - - - - - - 第 1 页，共 4 页 - - - - - - - - -学习必备欢迎下载too常” ，接形容词或副词much too busy. 【典型例题】i have _skirts and this one is _

8、small for me, so you can take it if you like. a. too many; too much b. too much; much too c. too many; much too 8.either,too 与 also 易混词意义及用法例句either “ 也” ，用于否定句中， 置于句末时用“，”隔开i won t go there, either. too “ 也” ，用于肯定句句末，用“， ”隔开i like dancing ,too. also “ 也” ，用于肯定句句中 ,放在实意动词之前， be动词、助动词、情态动词之后。i also l

9、ike english. 【典型例题】i don t like her, _. a.also b.too c.either d.to 10.have fun=have a good time 玩得开心，玩得愉快 . 9.no talking ! 禁止交谈。 no 后面加上名词或动名词doing 也表示不要做某事。与dont +do 的用法相似。eg:no wet umbrellas! / dont put wet umbrellas here! 禁止放湿雨伞no food! dont eat food here! 禁止吃食物no smoking! dont smoke here! 禁止吸烟三、

10、重点语法1.情态动词have to 的用法：意思是 必须、不得不侧重于客观上的必要和外界的权威。结构： have/has to do sth.不得不做某事一般现在时：主语是第三人称单数时用has to，其它时候用have toeg:we have to wear sneakers for gym class. 在体育课上tom has to practice the guitar every day. 汤姆每天必须练习弹吉它。（i had to get up at 5:00 am last monday. 上周一我不得不早上5 点起床。）否定形式 : 主语 +dont have to +动词原

11、形 +一般现在时: 主语是第三人称单数时用doesnt have to,其它时候用dont have to. eg:nick doesnt have to wear a uniform. 尼克不必穿制服。we didnt have to do our homework at once. 我们不必马上完成作业。疑问句： do 、 does 或 did+ 主语 +have to +动词原形 +其他eg:- do you have to stay at home on weekends? 周末你必须呆在家里吗-yes, i do. / no, i dont. 是的did he have to go

12、to bed by 11:00 last night? 昨晚11 点前上床睡觉吗？【典型例题】lucy has to wear sports shoes for gym class.(该为否定句 ) lucy _ _ to wear sports shoes for gym class.2.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。在表示有做某一个动作的必要和义务， 它的意思是“必须，应该”。eg:you must finish your homework fist.你必须先完成作业。以 must

13、开头的 一般疑问句 ，它的 否定回答用 needn t （不必要）， 不用 mustn t （不允许），mustn t 常用于否定句中表示“不允许，禁止” 。eg:-must i go there on foot?我必须得走过去吗？-no,you needn t.不，你不需要。you mustn t park your car here.你的车不允许停在这儿。【典型例题】it s very warm outside.you _wear the 精品学习资料 可选择p d f - - - - - - - - - - - - - - 第 2 页，共 4 页 - - - - - - - - -精品学

14、习资料 可选择p d f - - - - - - - - - - - - - - 第 2 页，共 4 页 - - - - - - - - -学习必备欢迎下载coat. a.have to b.hadn t c.don t have to d.mustn t3.情态动词can 的用法：表示能力： 会 能，在第上册中已经学eg:can you play the guitar? 你会弹吉它吗judy can speak a little chinese. 朱蒂会说一点中文。i can dance and sing. 我能唱歌又能跳舞。表示允许、许可：可以 、 能 即在eg:can the stude

15、nts run in the hallways? 学生们可以在走廊上跑吗we can eat outside. 我们可以在外面吃东西。can i come in? 我能进来吗注意： 同样是情态动词can 和 have to 的用法是有区别的，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，详情请参照上一条。【典型例题】the children _play football on the road. a.can b.must c.mustn t d.may -must i clean t

16、he blackboard? -no,you _. a.needn t b.mustn t c.can t d.may not your mother _there,she has gone to america. a.must be b.could be c.may be d.can t be 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， 因此在学校文法中也常称为命令句。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

17、句的肯定句：行为动词原形+其他eg:go and wash your hands.去洗你的手。 命令watch your steps.走路小心。 警告look out ！danger！小心！危险！ 强烈警告，已如感叹句no swimming. 禁止游泳。 禁止其中，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, eg:let s 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don t, eg:don t let them come in. 别让他们进来。祈使句的否定通常使用“don

18、t ” ，dont+ 动词原形（行为动词/be 动词） +其他no+ v-ing no parking!不准停车eg: dont let the dog in. 不要让那只狗进来。dont touch, please.请不要用手触摸。 。【典型例题】1_late for class! a.don t b.not be c.don t be 2run in the hallways. （改为否定句）_ _in the hallways. 3英译汉：别在马路上跑。_ 二、能力巩固1、they have rules in their class. a. too much b . much too c

19、. too many 2. please play volleyball here. a.not b. do c. don t 3.- _ sam _go to bed by ten? a.do; has to b .does; have to c. does; has to 4. -what are the school rules?-we _ arrive late for class. a. don t b. can t c. don t have to 5. please listen _ the teacher carefully. 精品学习资料 可选择p d f - - - - -

20、 - - - - - - - - - 第 3 页，共 4 页 - - - - - - - - -精品学习资料 可选择p d f - - - - - - - - - - - - - - 第 3 页，共 4 页 - - - - - - - - -学习必备欢迎下载a. to b. on c. at 6. we don t know jack _ bruce.a. and b. or c. about 7.students can t _ hats in the classroom.a. put on b. wear c. in 8. don t _ tv after class.a. watch b

21、. watching c. to watch 9.he often _ english with the classmates. a. practice speak b .practices speaking c. practice speaking 10. there is _ water on the floor. a. too many b. too much c. much too 11. we can t be late _ school.a. of b. on c. for 12. please help me _ english. a. learn b. to learning

22、c. with speak 13.lulu, don t the dirty shoes in the bedroom. a. leave b. forget c. get 14. eric can t be on time, leo can t be on time . a. also b. too c. either 句型转换1we can t listen to music in the classroom.(改为祈使句 ) to music in the classroom. 2eat in class, please.(改为否定句 ) _ in class, please. 3 they have to clean the classroom every day.（对划线部分提问）they have to