现在进行时定义构成用法

1、建林英语5B专项练习(现在进行时)姓名一、现在进行时的定义，构成，标志性词语定义：表示现在或现阶段正在进行或发生的动作或存在的状态。构成：由be(am/is/are)+词-ing形式构成标志性词语：1.现在进行时.通常用“now'： 2.现在进行时.通常用Took。”3.现在进行时.通常用“listen。”二、动词现在分词的构成规则1 一般情况下直接加think- sleep- study-speak-say - carry-2以不发音的字母e结尾的单词，去掉字母e,再加ingcome- make- leave- have-take- wake- take-3以重读闭音节(重读闭音节即

2、两个辅音中间夹一个元音并且重读的音节)结尾，呈现 辅，元，辅”结构的动词，双写末尾的辅音字母，再加 ingstop- get - sit - put- sit- run- shop swim三、现在进行时的用法(1) 用来表示说话时正在进行或者发生的动作,(2) 用来表示现阶段正在进行的动作(但说话时不一宋在进行)四、现在进行时的句型变化1、肯定式结构：主语+be+动词-ing形式+其他.例如： We are running now.2、否定式结构：主语+be+not+动词-ing形式+其他.例如：They aren ' t doing their homework.3、 一般疑问句式

3、结构：Be+主语+动词-ing形式+其他？例如：Is she having English lesson?回答：肯定 Yes, she is.否定:No, she isn ' t.? 特殊疑问句式结构：疑问词+be+主语+其他？例如:What is he doing now?回答： He is swimming.第3页共3页(现在进行时)巩固练习一. 写出下列动词的现在分词形式work sing playstudy have dancewrite take runsit shop swim二. 按要求改写句子1. The boy is playing basketball.否定句：一般

4、疑问句:肯定回答：否定回答：对 “is playing basketball提问：”对"The boy提问：2. They are singing in the classroom.否定句：一般疑问句:肯定回答：否定回答：对 “are singing提问： 对 “in the classroom提向： 三. 用现在进行时完成下列句子1. What you(do)?2. I(sing) an English song.3. What he(mend)?4. He(mend) a car.5. you(fly) a kite? Yes,.6. she(sit) in the boat?7

5、. you(ask) questions?8. We(play) games now.9. What are you(do) now? I(eat) bread.10. It ' s nine o ' clock. My father(nvthk) office.11. Look, the boy(put) the rubbish into the bin.12. he(clean) the classroom?No, he isn ' t. He(play).13. Where is Max? He(run) on the grass.14. Listen, who(

6、sing) in the music room?Oh, Mary(sing) there.四。选择题1. Who over there now?A. singing B. are sing C. is singing D. sing2. It ' s eight o ' clock. The students an English class.A. have B. having C. is having D. are having3. Listen! The baby in the next room.A. crying B. cried C. is crying D. cri

7、es4. Look! The twins new sweaters.A. are wearing B. wearing C. are wear D. is wearing5. Don ' t talk here. Grandparents.A. is sleeping B. are sleeping C. sleeping D. sleep6. Tom is a worker. He in a factory. His sisters ina hospital.A. work/ work B. works/ work C. work/ works7. Who English best

8、in your class?A. speak B. speaks C. speaking8. Mrs. Read the windows every day.A. is cleaning B. clean C. cleans9. We music and often to music.A. like/ listen B. likes/ listensC. like/ are listening10. She up at six in the morning.A. get B. gets C. getting11. On Sundays he sometimes his clothesand sometimes some shopping.A. wash/ do B. is washing/ is doing C. washe