初中英语现在进行时专项练习
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现在进行时
1.定义：现在进行时表示正在发生或进行的动作。结构是：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 …
3.动词-ing的构成规则
（1）一般情况下，直接加ing，如：cook-cooking
（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
（4）以ie 结尾的动词，先把ie变成y 再加-ing。
lie- lying tie -tying die-dying
注意： see-seeing draw-drawing listen-listening
现在分词构成口诀
现在分词很好记，动词后缀-ing。直接加、去e加、双写加。
还有一点要注意ie要用y来替。
现在进行时用法口诀
主语在前be在后，现在分词跟着走，其他成分不可丢。
变一般很简单，把be 提到句子前，否定句也不难，be后要把not添。
还有一点要注意，动作提问doing替。
现在进行时态练习题
一、将下列动词变成ing形式
help_______ come_______ swim_______ eat _______ give_______ find _______ sit _______ write_______ tie_______ make _______ play_______ clean _______ catch_______ walk_______ ride _______ run_______ draw_______ listen_______ begin _______ dance_______ 二．用所给词的适当形式填空。
1. The boy ________ (draw) a picture now.
2. Listen .Some girls________ (sing) in the classroom.
3. My mother __________ ( cook )some nice food now.
4. What _____ you ______ ( do ) now?
5. Look. They _________( have) an English lesson .
6.They ________(not ,water) the flowers now.
7.Look! The girls ________________(dance )in the classroom .
8.What is our son doing? He ______ (listen ) to music.
9. It’s 5 o’clock now. We _____________(have)supper now
10.______Helen____________(wash )clothes? Yes, she is .
11.Look ! The boy (read) books.
12.The girls_________(have) breakfast now.
13. —he (clean) the blackboard? — No, he isn’t.
14.Tom (play) football on the playground at the moment .
15.Listen! They (sing) in the music room.
三、将下列句子改成现在进行时
1. I watch TV every day.
I _________________TV now.
2. She works in a hospital.
She _________________ in hospital.
3. Do you read this book?
____ you ________ this book.
4.Tom and Sam have lunch at about twelve.
Kitty and Ben ______________ lunch at about twelve.
5. They clean the room in the evening.
They ______________the room now.
四、完成下列现在进行时的句子
1. The students _____ ______ (listen) to the teacher now.
2. Li Lei______ ________ (watch) TV now.