内容正文:
初中语法知识点精讲---七年级上册
专题七:祈使句&疑问句
· 知识精讲
Part I 祈使句
一 祈使句的概念
祈:祈求
使:使动、差使
【自我提升区】
祈使句即: 。
二 祈使句的基本用法
通常表示: 。主语通常被省略,谓语动词使用原形,句末使用叹号或句号,音调: 。动作包括过去发生的短暂性动作、重复性动作和延续性动作。
· Lily was very shy when she gave a lecture in front of lots of people.
· She used to swim twice a week, but now she usually swims on Sunday.
· Barack Obama lived in White House for eight years.
· Xiaoming slept for eight hours last night, and now he is very energetic.
三 祈使句的基本结构
1. 肯定句结构
(1)(省略主语)+动词原形+其它
· Stand up, please.
· Please be quiet, Jimmy!
(2)(省略主语)+Do +动词原形+其它
· Do go back home on time!
· Do watch out!
初中语法知识点精讲---七年级上册
【小提示:本结构中,Do 增强说话人语气】
2. 否定句结构
(1)(省略主语)+Do not/Don’t+动词原形+其它
· Don’t be late for the meeting!
· Don’t talk in class!
(2)let 开头
· Let’s not play near the river.
· Let us not quarrel with each other.
3. 特殊结构
· Hands up!
· Hands down!
Part II 疑问句
初一上学期主要涉及 疑问句和 疑问句。
· 一般疑问句
· 一般疑问句的概念
通常情况下,一般疑问句是指可以用 yes 或 no 来回答的疑问句。
· —Are you a student?
—Yes, I am.
· —Can you fly?
—No, I can’t.
· Does Jimmy like playing basketball?
—Yes, he does.
1. 一般疑问句的结构与回答
一般疑问句的结构以be动词、情态动词、实义动词分为三大类:
(1) be 动词:am/is/are
结构:Am/Is/Are+主语+其它?
· Are you ready for singing a song?
肯定回答: . 否定回答: .
· Am I a singer?
肯定回答: . 否定回答: .
· Is she a singer?
肯定回答: . 否定回答: .
(2) 情态动词
初一上主要涉及的情态动词为 can, must, may, will
结构:Can/Must/May/Will+主语+动词原形+其它?
· Can he fly?
肯定回答: . 否定回答: .
· Must he do his homework?
肯定回答: . 否定回答: .
· May I help you?
肯定回答: . 否定回答: .
· Will you help me with my English?
肯定回答: . 否定回答: .
(3) 实义动词
结构:Do/Does+主语+动词原形+其它?
· Does Xiaoming like to play basketball on Fridays?
肯定回答: .
否定回答: .
· Do I know you?
肯定回答: . 否定回答: .
· Do you hear the students singing in the music classroom?
肯定回答: . 否定回答: .
2. 注意事项
(1) 情态动词没有人称和数的变化
(2) —般疑问句结构固定,根据相应时态进行变化
(3) 回答由 Do/Does 开头的疑问句时,要注意动词形式
3. 解题思路
找疑问词,是啥答啥
4. 陈述句转一般疑问句
· I am a student.
_________.
· Lily is a girl.
_________.
· The boys are very happy in the park.
_________.
· He can speak different kinds of languages.
_________.
· I can fly.
________