七年级英语下册Unit4Don’teatinclass语法攻关素材新版人教新目标版
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unit 4语法攻关
祈使句
祈使句是常经常使用来表达命令、请求或建议的句子。
主语通常省略,而且谓语动词用原形。
句尾用感叹号或句号,读的时候用降调。
下面咱们来学习有关祈使句的几种句式。
◆确信句
1. Be型
Be +表语(名词或形容词) +其它成份. 如:
Be a good boy, T om! 做个好小孩, 汤姆!
Be quiet, please! 请安静!
2. Let型
Let +宾语+动词原形+其它成份. 如:
Let Mary sing Gangnam Style. 让玛丽唱唱《江南style》。
Let me have a look. 让我看一看。
3. Do型
动词原形(+宾语) +其它成份. 如:
Stand up! 起立!
Put your hands up! 举手!
◆否定句
1. Be型和Do型的否定句式结构一般是在确信结构前加Don't。
如:
Don't be late next time! 下次别再迟到了!
Don't talk to me! 别和我说话!
2. Let型的否定句式有两种:“Don't + let +宾语+动词原形+其它成份.”和“Let +宾语+ not +动词原形+其它成份.”。
如:
Don't let him go./ Let him not go. 别让他走。
3. 以No开头,后面跟动词-ing形式,用来表示禁止。
如:
No parking! 禁止停车!
No smoking! 禁止抽烟!
No swimming! 禁止游泳!
◆祈使句和其他句子连用,常见的结构有:
1. “祈使句+ and +简单句”表示“……就……”,如:
Take a shower, and you'll be relaxed. 洗个澡,你就能够放松。
2. “祈使句+ or +简单句”表示“……不然……”,如:
Be careful, or you'll get hurt.
警惕点,不然你会受伤的。
另外,为了使祈使句的语气变得更委婉、客气,能够在句首或是句尾加上please一词。
若是在句尾加please,那么需在please前加逗号。
如:
Please look at the blackboard. 请看黑板。
Sit down, please. 请坐。
中考真题
单项选择
1. _______ get off the bus before it stops.
A. Don’t
B. Doesn’t
C. Didn’t
2. Hurry up, _______ finish your homework!
A. or
B. but
C. and
D. while
3. Mary, put on your coat, ________ you'll catch a cold.
A. and
B. or
C. so
D. but
跟踪练习I. 单项选择
( )1. Our teacher says, "________ talk in class."
A. Stop
B. Don't
C. Can't
D. No
( )2. ________ in bed. It's bad for your eyes (眼睛).
A. Not to read
B. Don't read
C. Don't to read
D. Not read
( )3. _______ when you cross the river.
A. Don't care
B. Careful
C. Be careful
D. T o be careful II. 用括号内所给词的适当形式填空。
1. __________ (call) me at 5607899.
2. __________ (not go) to bed too late!
3. __________ (come) to my house at 3:00 p.m.
4. Please __________ (not speak English) here.
III. 汉译英
1. 咱们去午饭吧。
____________________________________
2. 车不要开得太快。
____________________________________
3. 不要说话,不然教师会动气的(be angry)。
____________________________________
答案
中考真题1-3 ACB
跟踪练习I. 1-3 BBC II. 1. Call 2. Don’t go 3. Come 4. don’t speak English
III. 1. Let's go to eat/ have lunch. 2. Don't drive too fast.
3. Don't talk, or the teacher will be angry.。