初中一般现在时和现在进行时讲解、练习及答案.doc

一般现在时和现在进行时
一般现在时
用　法：
1. 现阶段经常性习惯性动作或存在的状态　　
I leave home for school at 7 every morning.
2. 客观真理, 客观存在，科学事实
The earth moves around the sun.
Shanghai lies in the east of China.
3．在格言或警句中
Pride goes before a fall.　骄者必败。
常用时间状语：sometimes, often, every day, usually, always 等
构　成：1.动词用原形　 I like it.
　　2.当主语是第三人称单数时，动词要加-s(-es)　 She likes it.
3.be 动词用am，is, are
I am a teacher.　 　　He is a boy. They are girls.
否定形式：1.don’t+动词原形 I don’t like it.　　They don’t like it.
2.当主语是第三人称单数时，则为doesn’t+动词原形 He doesn’t like it.
一般疑问句：把do 或does 放在主语的前面，后面动词用原形
Do you like it? Does Ann like it?　　　　
l 注意：动词三单的变化规则
【巩固练习】
写出下列动词的第三人称单数
drink ________ stay ________ look _________ have_______ do_________
pass_______ carry ________ come________ watch______ brush________
1. Mrs. Smith _____ the windows every day.
A. is cleaning B. clean C. cleans
2. On Sunday he sometimes _____ his clothes and sometimes _____ some shopping.
A. wash/ do B. is washing/ is doing C. washes/ does
3. She _____ up at six in the morning. A. get B. gets C. getting
现在进行时
1. 定  义：表示正在发生或进行的动作
结 构：be (am, is, are)+动词现在分词形式（简写： be +动词-ing）  
A、陈述句(肯定句)  
主语＋be (am, is, are)+现在分词，如：  
I am reading English.我正在读英语。He is writing.他正在写字。  
B、一般疑问句  
Be(Am, Is, Are)+主语＋现在分词， 如：
Are you singing?你正在唱歌吗？ 
C、特殊疑问句  
疑问词＋be (am, is, are)＋主语＋现在分词 
What are you doing? 你正在干什么 ?
I am doing my homework.我正在做作业。  
2. 标志词：
(1)  时间状语 now 、at the moment   
(2)  句前有提示词look 、listen 、look at …  
如：1. I am listening to the music now.
2. The students are drawing pictures now.
3. Listen! She is singing.
4. Look! Mr. Li is riding a bike.
3.动词-ing的构成规则  
（1）一般情况下，直接加ing，如：
cook-cooking, go-going, wash-washing, fly—flying  
（2）以不发音的e结尾，去e加ing，如：
make-making, taste-tasting  
（3）如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping , swim- swimming, run—running, get—getting
（4） 以ie 结尾的动词，先把ie变成y 再加-ing。  lie- lying    tie -tying      
注意： see-seeing    draw-drawing   listen-listening 
【巩固练习】
1. ---Where is Max? 
---He___________(run) on the grass. 
A. runs B. running C. is running
2. Is the man _______ tea or milk?
A. drinks B. drink C. drinking
3. Don’t talk here. Grandparents _____.
A. is sleeping B. are sleeping C. sleeping D. sleep
4. The boy is playing basketball. 
否定句：____________________________ 
一般疑问句：_________________________ 
肯定回答：______________________否定回答：______________________  
对划线部分提问: ____________________________
5. They are singing in the classroom. 
否定句：____________________________ 
一般疑问句：_________________________ 
肯定回答：____________________否定回答：______________________ 
对划线部分提问: ____________________________

【作业布置】
一、选择题练习
1. Who _____ over there now?
A. singing B. are sing C. is singing D. sing
2. It’s nine ten. The students _____ an English class.
A. have B. having C. is having D. are having
3. Listen! The baby _____ in the next room.
A. crying B. cried C. is crying D. cries
4. Look! The twins _____ new sweaters.
A. are wearing B. wearing C. are wear D. is wearing
5. Tom is a worker. He _____ in a factory. His sisters _____ in a hospital.
A. work/ work B. works/ work C. work/ works
6. We _____ music and often _____ to music.
A. like/ listen B. likes/ listens C. like/ are listening
7. The twins usually _____ milk and bread for breakfast, but Jim _____ some coffee for it.
A. have/ have B. have/ has C. has/ have
二、用所给单词的正确形式填空：
　　1. My father always __________(come) back from work very late.
　　2. The teacher is busy. He __________ (sleep) six hours a day.
　　3. Listen! Joan __________(sing) in the classroom. She often _____ __ (sing) there.
　　4. __________ your brother __________(know) Japanese?
　　5. Where __________ you __________ (have) lunch every day?
6. The girl ______ (like) wearing a skirt. Look! She _________ (wear) a red skirt today.
７．My parents _______（watch）TV now.
８. Look. Three boys _______（run）.
９. What _______ your mother _______（do）now?
10. _______ your dog _______ now?（sleep）
11. _______ you _______（listen）to music? 　　　Yes, I am.
12. Look, Miss Chen _______ （play）football.
13. Tom and his sister _______（wait）for you over there.
14. Now Class 3 and Class 4____________（have）a test.
15. Listen, someone _______（sing）in the classroom.
16. ——Where is Zhang Yan?
——She _______（talk）with her teacher in the teacher’s office.
三、按要求进行句型转换：
1. Lily is dancing.（改为一般疑问句）
________________________________________________
2. Kate is looking for her watch.（改为否定句）
________________________________________________
3. Mrs. White is watching TV.（对划线部分提问）
________________________________________________
4. I am doing homework.（改为否定句）
________________________________________________
5. They are waiting for you at the library.（就划线部分提问）
　　________________________________________________
四、改错：
1. People like swiming in summer.（ ）
3. Are you listen to me?（ ）
4. I not writing a letter.（ ）
4. My brother speak English.（ ）

答案：
一、C D C A B A B
二、1、comes 2、sleeps 3、is singing；sings
4、Dose； know 5、Do； have 6、likes；is wearing
7、are watching 8、are running 9、is； doing 10、 Is； sleeping
11、Are； listening 12、is playing 13、are waiting 14、are having
15、is singing 16、is talking
三、1、Is Lily dancing ?
2. Kate isn't looking for her watch/
3. What is Mis White doing?
4. I am not doing homework.
5. Where are they waiting for you?
四、1、错 swimming
2、错 listening
3、错 在I后加am
4、错 speaks