现在进行时定义[1]
现在进行时定义
定义：现在进行时表示现在正在发生的动 作或存在的状态。
结构：
1. 肯定句：主语+be ( is am are) +现在分词+其它。如： We are having an English class now.
2. 否定句：主语+be (is am are ) +not+现在分词+其它。如：We are not having an
English class now.
3. 一般疑问句：Be (is am are ) + 主语+现在分词+其它 +？
回答： Yes, 主语+be (is am are ) .
No , 主语+be (is am are ) +not。
如：Are you having an English class now?
Yes, we are .
No, we aren’t
4、 时间状语：now. look! Listen! 如：
1. Listen! Lily is dancing in the next room.
2. Look! The dog is running after the car
动词变现在分词的规则：
1. 一般情况下直接在词后加- ing .如：
go---going ask---asking study---studying
do---doing drink---drinking fly-----flying
2. 以不发音的“e”结尾的，去“e”加- ing .如：ride---riding
make---making have---having
give---giving come---coming live---living
leave---leaving write---writing
注：see---seeing ( ee 是组合不去e)
3. 以重读闭音节结尾的，双写后一个辅音字母再加-ing.如：
put---putting sit---sitting stop---stopping
shop---shopping get---getting swim---swimming let---letting cut---cutting run---running
begin---beginning hit---hitting dig---digging win---winning
4. 注：特殊词
lie----lying tie---tying die---dying
题例1用括号中动词的适当形式填空。
3. Look! The dog _____ (run) after the car
4. Listen! Lily ____ (sing) in the next room.
5. What ____ you ___ (do ) now ? I’m writing a letter.
6. Where is Kate ? She ___(climb) the hill over there .
7. It’s six o’clock in the morning .The Blacks ___ (have) breakfast.
8. Miss Guo __(teach) us Chinese this term. She ___ (be) a very good teacher . She often ___(talk) with us after class.
Many of us like ___(talk) with her. Now, she __(talk) with Lily.
9. Listen! Who __ (read) English ? Han Meimei is. She often___ (read) English in the morning.
8. Where ___ their father ____( work) ? He ___ (work) on a farm. But now he ____(not work) .He ___ (stay ) at home.
10. What time ___the shop ____ (close)? It ____ (close) at nine o’clock in the evening .But be quick ,it ___ ( be ,close) now. He ___(go) to school by bus every day.
11. Tom can not walk fast because he ___ (carry) a heave box .
12. Do you think the teacher _____(have ) meeting now?
13. Why is the girl __ (stand) at the door ? __ (ask) her to come in . It’s late spring. The weather ___ (get ) warmer and warmer .
题例2把下列句子变成现在进行时的句子
1. He throws a frisby every afternoon .
He ___ ____ a frisby now.
2. My parents often make cakes for me .
My parents _____ _____ cakes for me now .
3. They must clean the bed room once a week.
Look! They ___ ___ the bedroom.
5.The monkey jumps up and down.
The monkey _____ ____ up and down.