現(xiàn)在進行時的專題練習
?1．現(xiàn)在進行時表示現(xiàn)在正在進行或發(fā)生的動作，也可表示當前一段時間內的活動或現(xiàn)階段正在進行的動作。
2．現(xiàn)在進行時的肯定句基本結構為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構為：
疑問詞+ be + 主語+ 動詞ing??? eg. Where are you going?
?? 但疑問詞當主語時其結構為：
??? 疑問詞+ be + 動詞ing????????? eg. Who is singing?
6. 標志詞：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—closing |
|
以重讀閉音節(jié)結尾的動詞，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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