小学一般现在进行时讲解及练习简单基础

1、现在进行时一、概念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结构：助动词be ( am / is / are ) +现在分词.二、 现在分词的构成：1 .大多数动词后可在动词后直接加-ingEg: carry-carrying,catch-catching,drink-drinking, enjoy-enjoying hurry-hurrying ,do-doing , read-reading , think-thinking2 .如果动词以-e结尾,则去掉-e,再加-ing,如 come-coming , have-having , mak

2、e-making,ride-riding,write-writing,take-taking,use-using3 . 如果动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母双写,再加-ing如： hit-hitting,let-letting, put-putting,run-running,sit-sitting 三、句型结构：1.现在进行时的肯定形式、否定形式、疑问形式及其回答,所有变化都体现在助动词be ( is / am/ are ) 上1)现在进行时的肯定形式：主语 +be(am/ is/are)+doing+其他成分I am singing . They are wri

3、ting .2)现在进行时的否定形式：主语+be(am/ is/are)+not +doing矶他成分I am not singing . They aren t writing .3) 一股疑问句及回答：be(am/ is/are)+主语+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)特殊疑问句及回答：特殊疑问词+be(am/ is/are)+±语+doing+其他成分What are you doin

4、g ? We are playing 要求就提问内容具体回答().2 . 缩写形式如下:I am-I m You a-r-e-You re He i-s-H e s She-i-s-She sIt is- It s We a-r-eWe re They are-They re3 .说明: 不是所有动词都能用现在进行时态的,如：see、 like、 want、 know 等动词往往都不用进行时态四用法：1 .表示现在( 指说话人说话时) 正在发生的事情往往与now,at the moment,just 等副词连用,以示强调We are waiting for you. What are you

5、doing? Some one knockisng at the door2 .正在进行着的动作可视为未完成的动作：He s talking to his friends in the classroom.可用 still 一词强调动作的持续性He s still talking to his friends in the classroom.3 . 表示长期的或重复性的动作,说话时动作未必正在进行Mr. Black is writing another article.Don t take that book away. Your father s using it.She is learn

6、ing piano under Mr. Black.4 .现在进行时可用来表示不会长期发生的动作或情况,或被认为在短期内正在进行的动作或存在的情况：What s your brother doing these days? He s studying English at Oxford University.：一、写出下列动词的现在分词形式:look_ do_ study_ play_ read_take_ make_ come_ have_ use_let_ put_ swimhit_run_按要求完成句子：I (fly) a kite now.He(read) a book now.Loo

7、k, 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、按要求写句子：1 . The boy is playing basketball.否定句： 一般疑问句：肯定回答：否定回答：2 . They are singing in the classroom.否定句： 一般疑问句：肯定回答：否定回答：3 .Mike is reading a book.否定句： 一般疑问句：肯

8、定回答：否定回答：4 .They are playing games.否定句： 一般疑问句：肯定回答：否定回答：5 .Lucy and Lily are watching TV.否定句： 一般疑问句：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 .选择1. Look. Lucy isa new bike today.A. jumping B. running C. riding D takeing2.

9、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! Shein the classroom.A. is singing B. sing C .to sing D. is sing5. are you eating? I m eating meat.A.

10、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 finCd. has lost,haven t founDd. is missing,haven t found.1.1. aving a computer for personal u

11、se 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 builtB. is builtC. is being built D. builds10. I can t catch up with the fashion,because the clothes styleall the time.A. has changed

12、 B. is changed C. is changing D. changed11. It s six in the afternoon. The Greenslunch together.A. has B. are having C. have had D. had had12. Don t make any noise while the studentsto the class.A. are listening B. listened C. have listenedD. had listened13. Jack and Kettyin the lake. Let s join the

13、m,shall we?A. swim B. have swum C. swam D. are swimming14. Look! The childrenbasketball on the playground.A. plays B. played C. is playing D. are playing15. The kitehigh 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 w

14、orld faster and faster.A. is grown B. is growing C. are grown D. are growing17. To my surprise,hein class.A. is always speaking B. would always speak C. has always 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 lea

15、ving19. Heof 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 at 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、用现在进行时完成下列句子:1. you(fly) a kite? Yes,2. you(sit) in the boat?3. he(talk) with me?4. We(play) football now.5. Whatyou(do)?6. I(sing) an English song.7. Whathe(mend)?8. He(mend) a car.9. These boys (play) tennis on the pl