1、現在進行時一、概念現在進行時表示說話時正在進行或發生的動作，也可表示當前一段時間內的活動或現階段正在進行的動作.結構：助動詞 be ( am / is / are ) +現在分詞.二、現在分詞的構成：1 .大多數動詞后可在動詞后直接加-ing .Eg: carry-carrying,catch-catching,drink-drinking, enjoy-enjoying hurry-hurrying ,do-doing , read-reading , think-thinking2 .如果動詞以-e結尾，則去掉-e,再加-ing,如 come-coming , have-having ,

2、make-making,ride-riding,write-writing,take-taking,use-using .3 .如果動詞只有一個元音字母，而其后跟有一個輔音字母時，將此輔音字母雙寫，再加-ing如：hit-hitting,let-letting, put-putting,run-running,sit-sitting三、句型結構：1.現在進行時的肯定形式、否定形式、疑問形式及其回答，所有變化都體現在助動詞be ( is / am / are )上.1)現在進行時的肯定形式：主語+be(am/ is/are)+doing+其他成分I am singing . They are w

3、riting .2)現在進行時的否定形式：主語+be(am/ is/are)+not +doing+其他成分I am not singing . They aren ' t writing .3) 一般疑問句及回答：be(am/ is/are)+ 主語+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)特殊疑問句及回答：特殊疑問詞+be(am/ is/are)+主語+doing+其他成分 W

4、hat are you doing ? We are playing 踐求就提問內容具體回答).2 .縮寫形式如下：I am-1 ' m You a-reYou' re He isH e' s She-i-s She' sIt is- It ' s We sh-reWe re They areThey ' re3 .說明：不是所有動詞都能用現在進行時態的，如：sea like、want、know 等動詞往往都不用進行時態.四.用法：1 .表示現在（指說話人說話時）正在發生的事情.往往與 now,at the moment,just等副詞連用，以示

5、強調.We are waiting for you. What are you doing? Some oneknocking gsat the door.2 .正在進行著的動作可視為未完成的動作：He' s talking to his friends in the classroom.可用still 一詞強調動作的持續性He' s still talking to his friends in the classroom.3 .表示長期的或重復性的動作，說話時動作未必正在進行. Mr. Black is writing another article.Don' t

6、take that book away. Your father' s using it.She is learning piano under Mr. Black.4 .現在進行時可用來表示不會長期發生的動作或情況，或被認為在短期內正在進行的動作或存在的情況：What' s your brother doing these days? He ' s studying English at Oxford University.隨堂練習：一、寫出下列動詞的現在分詞形式：lookdo_ study play_ read_takemakecome_ haveuse _let_

7、 put_ swim_hit_ run按要求完成句子：I (fly) a kite now.He(read) a book now.Look, she(swim).Listen, the girls(sing)a song.What are they doing? They (make)a kite.Some birds(fly)in the sky.My friend(listen) music now.二、按要求寫句子：1 . The boy is playing basketball.否定句：一般疑問句：肯定回答：否定回答：2 . They are singing in the clas

8、sroom.否定句：一般疑問句：肯定回答：否定回答：3 .Mike is reading a book.否定句：一般疑問句：肯定回答：否定回答：4 .They are playing games.否定句：一般疑問句：肯定回答：否定回答：5 .Lucy and Lily are watching TV.否定句：一般疑問句：肯定回答：否定回答：6 .仿照例句造句：Model:read a book-What are you doing?-I'm reading a book.1) .watch TV2) .clean the blackboard三.選擇1. Look. Lucy is a

9、 new bike today.A. jumping B. running C. riding D takeing2. The children football.A. is playing B. are playing C. play the D. play a3. They TV in the evening. They do their homework.A. are watching B. can ' t watching C. don ' t watch D. don ' t watching4. Listen! She in the classroom.A.

10、 is singing B. sing C .to sing D. is sing5. are you eating? I ' m eating meat.A. What,some B. Which,any C. Where,not D. What,a6. Is she something?A. eat B. eating C. eatting D. eats7. My dictionary,I have looked for it everywhere but still it.A. has lost,don ' t finBd. is missing,don ' t

11、 fiCd has lost,haven ' t found. is missing,haven ' t found.1.1. aving a computer for personal use is no easy task because technology so rapidly.A. is changing B. has changed C. will have changed D. will change9. The building ,I can' t stand the noise.A. was being built B. is builtC. is b

12、eing builtD. builds10. I can ' t catch up with the fashion,because the clothes style all the time.A. has changed B. is changed C. is changing D. changed11. It ' s six in the afternoon. The Greens lunch together.A. has B. are having C. have had D. had had12. Don ' t make any noise while t

13、he students to the class.A. are listening B. listened C. have listened D. had listened13. Jack and Ketty in the lake. Let' s join them,shall we?A. swim B. have swum C. swam D. are swimming14. Look! The children basketball on the playground.A. plays B. played C. is playing D. are playing15. The k

14、ite high in the sky now. It looks like a big bird.A. has flown B. is flying C. was flying D. flew16. As we all know,the population in the world faster and faster.A. is grown B. is growing C. are grown D. are growing17. To my surprise,he in class.A. is always speaking B. would always speak C. has alw

15、ays been speaking D. does speak always18. I want to know when he for New York tomorrow.A. has left B. is leaving C. had left D. has been leaving19. He of how he can do more for the people.A. had always thought B. is always thinking C.has always been thought D. thinking always20. Forests and burned a

16、t such a speed that they will disappear from the earth in the future.A.cut B. are cut C. are being cut D. had been cut五、用現在進行時完成下列句子：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