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小學(xué)英語(yǔ)現(xiàn)在進(jìn)行時(shí)（講解、練習(xí)） 一、概念 現(xiàn)在進(jìn)行時(shí)表示說(shuō)話時(shí)正在進(jìn)行或發(fā)生的動(dòng)作 結(jié)構(gòu)：主語(yǔ)+ be ( am / is / are ) +現(xiàn)在分詞. 二、 現(xiàn)在分詞的構(gòu)成： 1.大多數(shù)動(dòng)詞后可在動(dòng)詞后直接加- ing． 　Eg: carry-carrying, catch-catching, drink-drinking 2. 如果動(dòng)詞以-e結(jié)尾,則去掉-e,再加- ing, 　如come-coming , have-having , make-making, ride-riding, write-writing, take-taking, use-using 3. 如果動(dòng)詞只有一個(gè)元音字母,而其后跟有一個(gè)輔音字母時(shí),將此輔音字母雙寫,再加-ing 　如： hit-hitting, let-letting, put-putting, run-running, sit-sitting． 三、句型結(jié)構(gòu)： 1.現(xiàn)在進(jìn)行時(shí)的肯定形式、否定形式、疑問(wèn)形式及其回答,所有變化都體現(xiàn)在助動(dòng)詞 be ( is / am / are ) 上． 　1)現(xiàn)在進(jìn)行時(shí)的肯定形式：主語(yǔ)+be(am/ is/are)+doing+其他成分 　　I am singing . They are writing . 　2)現(xiàn)在進(jìn)行時(shí)的否定形式:主語(yǔ)+be(am/ is/are)+not +doing+其他成分 　　I am not singing . They aren’t writing . 　3）一般疑問(wèn)句及回答：be(am/ is/are)+ 主語(yǔ)+doing+其他成分 　　Am I singing ? Yes ,you are . / No ,you aren’t . 　　Are they writing ? Yes ,they are . / No ,they aren’t . 　4)特殊疑問(wèn)句及回答:特殊疑問(wèn)詞+be(am/ is/are)+主語(yǔ)+doing+其他成分 　　What are you doing ? We are playing 2. 縮寫形式如下: I am---I’m You are---You’re He is---He’s 練習(xí) 一.用現(xiàn)在進(jìn)行時(shí)完成下列句子: 1. ____you___ (fly) a kite? Yes,_______. 2. ______you_____ (sit) in the boat? 3. ______he________ (talk) with me? 4. We__________ (play) football now. 5. What_________you__________(do)? 6. I_________ (sing) an English song. 7.What______he_______ (mend)? 8. He___________ (mend) a car. 9. These boys _____ (play) tennis on the playground. 10. My mother______________ (cook) in the kitchen. 11. We can’t help you,because we ____________ (have )classes. 12. ________ the boy ___________ (write) his homework? 13. Look! These butterflies _________ (fly) in the sky. 14. Listen! The girl ___________ (sing) in the next room. 15. The naughty boy __________ (swim) in the river. 二.選擇 1. Look. Lucy is_____ a new bike today. 　 A. jumping 　B. running 　 C. riding 　D taking 2. The children _____ football. 　A. is playing 　B. are playing 　 C. play the 　 D. play a 3. They ______TV in the evening. They do their homework. 　A. are watching　 B. can’t watching　 C. don’t watch 　D. don’t watching 4. Listen! She____ in the classroom. 　 A. is singing　B. sing 　 C .to sing 　 D. is sing 5. ______are you eating? I’m eating ______ meat. 　A. What,some　 B. Which,any　 C. Where,not　 D. What,a 6. Is she ____ something? 　A. eat　 B. eating　 C. eatting　 D. eats 14. Look! The children_______ basketball on the playground. 　A. plays 　 B. played 　 C. is playing 　D. are playing