七年级下册Unit4复习

②Be型祈使句：be动词＋其他．
eg：Be quiet，please.请安静。
③Let型祈使句：Let＋sb.＋动词原形＋其他． eg：Let's play football.让我们踢足球吧。 ④No型祈使句：No＋ving/名词(表示禁止)! eg：No smoking！禁止吸烟！
No photos！禁止拍照！
classroom. A．can't C．don't have to B．don't
二、根据句意，用括号中所给单词的适当形式填空。 Don't play 6．________ (not play) with fire(火)． run (run) in the classroom. 7．Don't ________ not play (not play) basketball. 8．Let him ________ eat 9．Can we ________ (eat) here? wear (wear) the school uniform at 10．Do you have to ________ school?
三、按要求完成句子。 11．Lily can play the guitar.(改为一般疑问句并作否定回答) Can Lily ________ play ________ the guitar?
No ，she ________. can't ________
12．Jack has to play the piano every weekend.(改为一般疑问句) Does Jack ________ have to ________ ________ play the piano every weekend? 13．Be quick.(改为否定句) Don't be quick. __________________________________________________
A．Yes，we can B．No，we can't C．No，we don't
B 13．—Can you ________ your homework to school，Paul?
—OK，Ms. Fang.
A．take B．bring C．make 14．—Why do you wear uniforms every day? A —Because it's a school ________. A．rule B．show C．game
四、根据汉语提示完成对话。
first (第一) day at Jack：Hello，my name's Jack.It's my 15.________
school. Mary：Hello，Jack.I'm Mary.This is a great school，but there rules (规章)． are lots of 16.________
listen ________ to ________ music in the classroom. We can't ________
16．请准时 ________ ________ 17．不准在走廊里跑步。 in the ________. hallways Don't run ________ ________
music players to school?
wear (穿) Mary：No，we can't.And we always have to 21.________ the school uniforms. Jack：I see. quiet (安静的) in the Mary：Oh，and we also have to be 22.________ library.
A．arrive B．arrive at C．arrive in
三、按要求完成句子。 10．Do your homework at school.(改为否定句)
________ Don't ________ do your homework at school.
11．We can play in the classroom.(改为否定句) can't ________ play in the classroom. We ________ 12．I can watch TV after dinner every day.(改为一般疑问句) Can ________ you watch TV after dinner every day? ________
第一课时 Section A (1a­-1c)
一、根据句意及首字母或汉语提示完成单词。 rules (规章) in my family. 1．I have some ________ hallways (过道)? 2．Can I eat in the ________ all 3．Lots of students usually eat lunch in the dining h________ ． on't 4．D________ eat in the classroom. ight 5．My teachers always tell me not to f________ with my classmates.
14．You can't eat food in class.(改为祈使句) Don't eat food in class. __________________________________________________ 15．You must walk to school today.(改为祈使句) Walk to school today. __________________________________________________ 16．You can't be late for class next time.(改为祈使句) __________________________________________________ Don't be late for class next time.
二、单项选择。 C 6．Don't arrive late ________ school. A．at B．in C．for A 7．I can't go to the party.I ________ do my homework.
A．must B．can C．has to
8．—Don't eat in the classroom，Alex. —________ C ，Mr. Yang. A．Excuse me B．Thanks C．Sorry B 9．I usually ________ the bus stop at 7：30 in the morning.
►情态动词can的用法
① can 意为“能；会”，表示做某事的能力，其否定式为
can't。 eg：Can you speak English？你会讲英语吗？ ②表示“允许；许可”。 eg：You can't eat in class.你不能在课堂上吃东西。
►情态动词have to的用法
have to 意为“必须；不得不”，其后接动词原形。
4．We can't ________ wear hats at school. 5．It's important ________ for us to eat breakfast.
二、根据句意，选用can，can't，must，have to或has to填空。 can't do her homework，so she goes to ask her teacher for help. 6．Alice ________ 7．You don't ________ have to clean your room today. Can Jim speak English？—No，he can't. 8．—________ Must I help him with Chinese？—Yes，you must. 9．—________ 10．—What does Lily ________ have to do in the evening?
A．clean B．to clean C．cleans A 3．Let's ________ on time for classes. A．be B．be not C．are
B 4．She has to ________ her homework every night. A．does B．do C．doing A 5 ． Sorry ， you ________ play basketball in the
►祈使句的否定形式
通常是在谓语动词前加 don't。但要注意以let开头的祈使句，其 否定形式是：“ Don't ＋ let ＋宾语＋动词原形＋其他”或“ Let ＋ 宾语＋not＋动词原形＋其他”。 eg：Don't let him go swimming. ＝Let him not go swimming.不要让他去游泳。
are (是) some of the rules? Jack：Really？What 17.________ Mary：Well，don't be 18.________ (迟到) for class.This is very late important 19.________ (重要的)．
bring (带来) Jack：OK，so we must be on time.Can we 20.________
第二课时 Section A (2a­-2d)
一、选用方框中所给单词的适当形式填空。
outside，play，wear，important，quiet player 1．I have a new music ________. quiet village. 2．My grandparents live in a ________ outside the classroom. 3．You can eat ________
13．You can't run in the classroom.(改为祈使句) Don't ________ run ________ in the classroom.
四、根据汉语意思完成句子。 14．他开会总是迟到。 He ________ always ________ ________ is late for meeting. 15．我们不能在教室里听音乐。
has to do her homework. —She ________
三、单项选择。 A 11．Don't eat in the classroom ________ the library. A．or B．and C．of 12．—Can you eat in the classroom?
B —________ ，but we can eat in the dining hall.
have to有第三人称单数形式，即has to，变疑问句和否定 句要用助动词do/does。 eg：We have to go home after school.我们放学后必须回 家。
一、单项选择。 C listen to music in the classroom. 1．________
A．Not B．No C．Don't A 2．Tom，please ________ the classroom now.
第三课时 (Grammar Focus­-3c)—单元 同步语法精讲精练
►含义：祈使句是用来表示请求、命令或建议等的一种句型。其主语 一般为第二人称you，但通常省略。祈使句的句末一般用句号，表示较
强语气时用感叹号。为了使祈使句显得更委婉、有礼貌，可在开头或
结尾加上please。 ►祈使句的四种类型 ①Do型祈使句：实义动词原形＋其他． eg：Listen to me，please.请听我说。