内容正文:
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语法点四 现在进行时
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语法一点通 读一读,学会现在进行时的用法
含义:现在进行时表示现在进行的动作或存在的状态。现在进行时表示动作发生的时间是“现在”,动作目前的状态是“正在进行中”。现在进行时常与now(现在), at the moment(此时此刻)等时间状语连用。
链接教材功能句式:
1.What are you thinking about? 你正在想什么?
2.The workers are still working. 工人们仍在工作。
01 现在进行时的肯定句构成
主语+be动词+动词现在分词+其他.
例:He is reading a book. 他正在看书。
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02 现在进行时的否定句构成
主语+be动词+not+动词现在分词+其他.
例:He is not mending his bike. 他没在修自行车。
03 现在进行时的一般疑问句构成
Be动词+主语+动词现在分词+其他?
肯定回答:Yes,主语+be.否定回答:No,主语+be not.
例:—Is he mending his bike?他正在修自行车吗?
—Yes, he is./—No, he isn't. 是的,他在修。/不,他没在修。
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04 现在进行时的特殊疑问句构成
特殊疑问词+be动词+主语+动词现在分词+其他?
例:What are you drinking? 你在喝什么?
05 记忆小口诀
Look, Listen是标志,现在进行正发生;有时now在句中现,“be+v\|ing”时态成。若问be用何形式,须看主语数、人称。He/She is, I am, We/You/They后 are紧跟。v\|ing形式更好记,三种构成要分清。一般问句be提前,be后加not否定成。
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名师点睛
现在进行时和一般现在时的区别
1.现在进行时表示说话时正在进行的动作,而一般现在时表示经常性和习惯性的动作和状态。
例:I often read books on Sundays. I'm reading books now.
2.现在进行时表示短暂性动作,而一般现在时表示长久性动作。
例:Lucy is living in Beijing. (短暂性居住)
Lucy lives in Beijing. (长久性居住)
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多学一点
现在进行时的标志词有:Look!Listen!now, right now, while, at the moment, these days, It's +时刻……等。
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语法自主测 测一测,看你掌握了多少
Ⅰ.用括号中所给动词的适当形式填空
1.Look!Sally and her classmates ______________(swim) in the river now.
are swimming
2.It's 7 o'clock. Mary ___________(sleep) in her room now.
is sleeping
3.Listen! Vicky's radio __________(make) a loud noise.
is making
4.—What are they doing now?
—They ___________(play) basketball.
are playing
5.It's five o'clock now. The students ___________(have) an English class in the
school.
are having
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Ⅱ.单项选择
1.—What are the children doing?
—They ______.( )
A.is listening to the radio B.are read books
C.are watching TV D.see a film
2.A dog ______ in the garden now.( )
A.run B.running C.to run D.is running
3.They ______ a Chinese class now.( )
A.are having B.has C.having D.are have
4.Look! Your sister ______.( )
A.dancing B.is dancing C.are dancing D.dances
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5.The boy ______ listening to music.( )
A.are B.be C.is D.am
6.It's 12 o'clock. Sara and her parents _