?1.現(xiàn)在進行時表示現(xiàn)在正在進行或發(fā)生的動作,也可表示當(dāng)前一段時間內(nèi)的活動或現(xiàn)階段正在進行的動作。

  2.現(xiàn)在進行時的肯定句基本結(jié)構(gòu)為be(is/am/are)+動詞ing.

  3.現(xiàn)在進行時的否定句在be后加not。

  4.現(xiàn)在進行時的一般疑問句把be動詞調(diào)到句首。

  ?? eg. He is doing his homework now?——Is he doing his homework now?

  5.現(xiàn)在進行時的特殊疑問的基本結(jié)構(gòu)為:

  疑問詞+ be + 主語+ 動詞ing??? eg. Where are you going?

  ?? 但疑問詞當(dāng)主語時其結(jié)構(gòu)為:

  ??? 疑問詞+ be + 動詞ing????????? eg. Who is singing?

  6. 標(biāo)志詞:Look!? Listen!? now

  動詞現(xiàn)在分詞的變化見下表:

  

詞尾情況

變化方式

例詞

一般情況

加—ing

play玩—playing? ??do做—doing?????? go去—going

jump跳—jumping?? sing唱—singing??? ski滑雪—skiing

see看見--seeing

以不發(fā)音的e結(jié)尾

去e加—ing

make做—making??take拿到—taking?? like喜歡—liking

come來—coming?? write寫—writing??dance跳舞—dancing

have有—having???close關(guān)—closing

以重讀閉音節(jié)結(jié)尾的動詞,中間只有一個元音字母,詞尾只有一個輔音字母

雙寫最后一個輔音字母再加—ing

swim游泳—swimming??sit坐—sitting?? run跑—running

get得到—getting?? put放—putting????begin開始—beginning

jog慢跑—jogging

?

  

  一、寫出下列動詞的現(xiàn)在分詞:

  play________ run__________ swim _________ make__________ go_________ write________

  ski___________ read________ have_________ dance_________ put_________ see________

  buy _________ love____________ live_______ take_________ come ________? get_________

  stop_________ sit ________ begin________ shop___________

  二、用所給的動詞的正確形式填空:

  1. Listen .Some girls _______________ (sing)in the classroom .

  2. What _____ you ______ ( do ) now?

  3. Look . They _______________( have) an English lesson .

  4.They ____________(not ,water) the flowers now.

  5.Look! the girls ________________(dance )in the classroom .

  6.What is our granddaughter doing? She _________(listen ) to music.

  7. It’s? 5? o’clock now. We _____________(have)supper now

  8.______Helen____________(wash )clothes? Yes ,she is .

  三、句型轉(zhuǎn)換:

  1. They are doing housework .(分別改成一般疑問句和否定句)

  _____________________________________________________________

  2.The students are cleaning the classroom . ( 改一般疑問句并作肯定和否定回答)

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  3.I’m playing the football in the playground .(對劃線部分進行提問)

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  4.Tom is reading books in his study . (對劃線部分進行提問)

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