现在进行时用法讲解
一、现在进行时的含义：
现在进行时表示正在发生或进行的动作。
二、现在进行时的构成：
be +现在分词
三、 动词现在分词的构成 ：
1、一般在动词尾加ing play →playing
2、以不发音字母e结尾的动词，去e加ing
make →making
3、以重读闭音节结尾，末尾只有一个辅音字母，先双写这一辅音字母，再加ing put →putting
4、特殊的有 be→ being lie→lying tie →tying
die→ dying
四、现在进行时的四个基本句型：
肯定句 He is watching TV now.
否定句 He is not watching TV now.
一般疑问句 Is he watching TV now?
两回答 Yes, he is. No, he isn’t.
特殊疑问句 What is he doing now?
五、现在进行时的用法：
1、“说话、写文章的当刻”正在发生的动作。
They are having a football match .他们正在赛足球。
She is writing her term paper. 她正在写学期论文。
Look at the children over there．What __________ ？
A．do they do B．are they doing
C．they are doing D．is he doing
该题正确选项为 B，是问说话时孩子们正在干什么。
2、“现阶段”一直在进行的动作。这种情况并不是说某个动作在说话的那会儿正在发生，而是说某个动作在当前一段时间内一直在进行着，或是重复地发生着。
He is preparing for CET Band Six.
How are you getting along with your new job？
I don 't really work here； I __________ until the new secretary arrives ．
A．just help out B．have just helped out
C．am just helping out D．will just help out
该题正确选项为 C，句意为：我实际上不在这儿工作，我只是在新秘书未到的这段时间里帮忙而已。
3、表示说话人的情感，如：赞许、批评；喜欢、厌恶等。这时的动作并不是正在发生或进行，而是表示经常性，相当于“一般现在时”所描述的情况。
He is always thinking of others , not of himself .（表示赞许）
She is often doing well at school. （表示满意）
4、表示在近期按计划或安排要发生的动作,用于这种情况仅限于少量的动词，如：go , come , leave ,arrive , see , have , lunch( 吃午饭 ) , return, dine ( 进餐，尤指晚餐 ) , work , sleep , stay , play , do , wear( 穿，戴 ) 等。
He is leaving
What is Jim doing on vacation? （将做什么）
I 've won a two-day holiday to Florida．I ____my mum．
A．am taking B．have taken C．take D．will have taken
该题正确选项为 A，I am taking my mum意为我要带我妈妈去。
5、现在进行时可以表示现在不断发展变化的事情。
It's late Autumn．The weather is getting colder and colder ．
Selecting a mobile phone for personal use is no easy task because technology ____so rapidly．
A．is changing B．has changed
C．will have changed D．will change
该题正确选项为 A，technology is changing rapidly是说技术在飞速发展。
六、现在进行时的标志：
1、现在进行时常和now，right now，at this moment等时间状语。
2、 现在进行时常和动词look，listen等连用，
巩固练习：
一、按要求句型转换：
Jim’s mother is reading now.
否定句：______________________________
一般疑问句： ____________________________
两回答：______________ ______________
特殊疑问句：______________________
二、写出下列动词的现在分词形式
work___ sing___ play___ study___ have ___
dance ___ write___ take___ run___ sit___
shop___ swim___ lie___ eat___ begin___
三、用所给动词的适当形式填空
1．--- Where’s our teacher?
---He ____(watch) a football match on the playground now.
2．Don’t make any noise. Jim ____(sleep)
3．How cold it is! It’s ___(snow)heavily.
4．Listen! Peter and Becky ___(talk)about the weather.
5．Be quiet! My teacher ___(say)something.
6．It’s 8 o’clock. They _____(have) an English class.
7．Hurry up! Your mother _____(wait) for you downstairs.
8．Look! Sally and Jim _____(swim)in the river.
9．_____you _____(study) English? ------Yes, I am.
四、改错：每处划线中有错误，在题后改正
1. Is he reading newspapers every day?
2. Are they planting trees over there? No, they don’t.
3. John from Class 2 is runing past Helen.
4. Look! The students flying a kite.
5. They are watch TV in the room now.
6. Now Jean and Harry are singing and dance.
7. Jim are now cleaning the classroom at school.
8. Listen! Jim and Tom don’t now singing.
答案：
一、 Jim’s mother isn’t reading now.
Is Jim’s mother reading now?
Yes,she is. No, she isn’t.
What’s Jim’s mother doing ?
二、working singing playing studying having
dancing writing taking running sitting
shopping swimming lying eating beginning
三、is watching is sleeping is snowing are talking is saying
are having is waiting are swimming Are studying
四、1. Does he read newspapers every day?
2. Are they planting trees over there? No, they aren’t.
3. John from Class 2 is running past Helen.
4. Look! The students are flying a kite.
5. They are watching TV in the room now.
6. Now Jean and Harry are singing and dancing.
7. Jim is now cleaning the classroom at school.
8. Listen! Jim and Tom aren’t now singing.