初一英语现在进行时讲解及练习答案
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现在进行时
一、现在进行时
A表示现在( 指说话人说话时) 正在发生的事情(now,at the moment )
What are you doing?
I am watching TV now.
B. 表示当前一段时间内的活动或者现阶段正在进行的动作(these days,this week,this month, this term)
I’m reading a history book this month.
We are making model planes these days.这些天我们在做飞机模型。
PS: 以look, listen开头的句子,提示我们动作正进行,这时要用现在进行时。如:
Listen!She is singing an English song.听,她正在唱英语歌。
PS:描述图片中的人物的动作,也为了表达更生动。此时也常用现在进行时。如:Look at the picture. The children are flying kites in the park.
看这幅图,那些孩子正在公园放风筝。
二、现在进行时的构成:
现在进行时由"be+现在分词(v-ing)"构成。
Be动词应与主语的人称和数保持一致,即:I am/he/she/it 包括单数名词和不可数名词用is, you/we/they 包括复数名词用are.
The students are listening to the teacher.
He is watching TV now.
三、现在分词的构成
(1)一般情况下在动词词尾加ing。
go→going ask (问,询问)→asking look→looking (2)以不发音的e结尾的动词,去掉e加ing。
have →having take→taking
make(做,制造)→making write(写)→writing
(3)以一个辅音字母结尾的重读闭音节,双写最后一个字母,再加-ing。
get→getting sit(坐)→sitting
put(放)→putting run(跑)→running
swim→swimming begin(开始)→beginning
相关拓展:重读闭音节是指在一个音节中,以辅音音素结尾的而且是重读音节的
音节。重读闭音节中元音字母不是发它本身的字母音,而是发短元音。
(4) 特殊形式 lie-lying die-dying
写出下例动词的现在分词形式
1.swim 2.take 3.run 4.go 5.buy 6.help 7.listen 8.dance 9.clean 10. talk 11.do 12. watch 13.put 14. read 15. stop
17.write 18. play
现在进行时态的肯定式、否定式、疑问式及简略回答。
(1)肯定式:主语+be+v-ing +其他
He is running. 他正在跑。
The students are cleaning the room now.
(2)否定式:主语+be+not+v-ing +其他
He is not running.
The students aren’t cleaning the room now.
这些学生现在没有在打扫房间。
(3)一般问句:be动词提前。“Be+主语+v-ing+其他?”
肯定答语Yes,主语+be.
否定答语No,主语+be not.
-Is he running?
-Yes, he is. /-No, he isn’t.
Are the students cleaning the room now?
-Yes, they are. /-No, they aren’t.
(4)特殊问句式:“疑问词+be +主语+v-ing+其他?”
a. 对谓语动词进行提问的:What+be +主语+doing+其他?
What is the old man doing under the tree?
那个老人正在树下面做什么呢?
b. 对其他成份进行提问的,疑问词+一般疑问句?
Where is the boy swimming? 那个男孩正在哪里游泳?
Who is she waiting for? 她正在等谁呢?
一、根据句意及汉语提示完成句子
1.Who is (使用) the computer? Mrs. Smith.
2.Look at the photo. Are they (看) TV?
3. —What is she doing? —She is (读) a book.
4.I'd like some coffee to (喝).
5.Are you (做) soup at home?
二、用括号内所给词的适当形式填空
1.One of them (take) photos for us now.
2.The man (not sing). He's (talk) now.
3.It's eight o'clock now. The students (have) an English class.
4.Look! The little boy (play) with a cat.
5.—What your mother (do) now?
—She (watch) TV.
6.Mary (read) books in the library now.
7.We are (play) basketball now.
8.—Where is Tom?
—He (play) basketball on the playground.
9.The teacher is ________(have) a class.
10. —Is your father at home?