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:现在进行时表示说话时正在进行或发生的动作,也可表示当前一段时间内的活动或现阶段正在进行的动作。
链接教材功能句式:
—What are you doing?你正在做什么?
—I'm reading a letter. 我正在读一封信。
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01现在进行时的肯定句构成:
主语+am/is/are+doing+其他.
如:They're having a meeting now.他们现在正在开会。
02 现在进行时的否定句构成:
主语+am/is/are+not+doing+其他.
如:They aren't having a meeting now.他们现在没有在开会。
03 现在进行时的一般疑问句构成:
Am/Is/Are+主语+doing+其他?
如:Are they having a meeting now?他们现在正在开会吗?
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04 现在进行时的特殊疑问句构成:
特殊疑问词+一般疑问句?
如:What are they doing now?他们现在正在做什么?
05 现在分词的变化规则
(1)一般情况下,在动词词尾加-ing:
go—going play—playing know—knowing
(2)以不发音的字母e结尾的动词,先去e再加-ing:
make—making arrive—arriving
come—coming
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(3)以重读闭音节结尾,且动词词尾只有一个辅音字母时,先双写这个辅音字母,再加-ing:
run—running stop—stopping
put—putting swim—swimming
sit—sitting begin—beginning
plan—planning cut—cutting
get—getting shop—shopping
(4)以ie结尾的动词,先将ie改成y,再加-ing:
tie—tying die—dying lie—lying
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名师点睛
现在进行时的特殊用法
①现在进行时与表示转瞬即逝的动作的动词搭配使用时,可表示将来的时态。
例:The bus is coming.公交车要来了。
②当现在进行时与always连用时,往往表达说话者生气、赞扬、同情、不满等感情,或对某一心理的生动描述。
例:She is always doing her homework carefully. 她总是认真地做作业。(表示满意)
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多学一点
现在进行时的记忆口诀
主语在句首,am,is,are跟在后。现在分词跟着走,其他成分不可丢。表示动作正进行,句中now把时间定。一般疑问句这样变,把be提到主语前。否定句式也简单,be后再把not添。
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语法自主测 测一测,看你掌握了多少
Ⅰ.用括号内所给词的适当形式填空。
1.Look!Some ducks ______________(swim) on the lake.
are swimming
2.Daming __________(run) home. It is raining outside.
is running
3.Listen!Who __________(sing)?It's so beautiful.
is singing
4.Some boys ___________(play) football on the playground now.
are playing
5.—What is she doing?—She is ________(make) a birthday cake.
making
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Ⅱ.单项选择。
1.Tom ______ the drums in the music room now.( )
A.is playing B.are playing C.plays
2.The teachers ______ talking with their students.( )
A.are B.is C./
3.—What's happening now?
—______( )
A.Tom is playing the drums.
B.Lucy bumped her head.
C.Amy has English class.
4.Listen!Is our teacher ______ in the classroom?( )
A.sing B.singing C.sang
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5.—What ______ your mother ______?
—She is cooking in the kitchen