现在进行时练习一. 写出下列动词的现在分词形式work_ sing_ play_ study_have _ dance _ write_ take_run_ sit_ shop_swim_ lie_二.按要求改写句子 1. The boy is playing basketball. 否定句：_一般疑问句：_肯定回答：_否定回答：_ 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”提问：_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. _ you _ (ask) questions?8. We _ (play) games now.9. What are you _(do) now? I _(eat) bread.10. Its nine oclock. My father_(work) in the office.11. Look, the boy_(put) the rubbish into the bin.12. _he_(clean) the classroom? No, he isnt. He_(play).13. Where is Max? He_(run) on the grass.14. Listen, who_(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. Its eight oclock. 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. cries4. Look! The twins _ new sweaters. A. are wearing B. wearing C. are wear D. is wearing5. Dont talk here. Grandparents _.A. is sleeping B. are sleeping C. sleeping D. sleep6. Tom is a worker. He _ in a factory. His sisters _ in a hospital.A. work/ work B. works/ work C. work/ works7. Who _ English best 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/ listens C. like/ are listening10. She _ up at six in the morning. A. get B. gets C. getting11. On Sundays he sometimes _ his clothes and sometimes _ some shopping.A. wash/ do B. is washing/ is doing C. washes/ does12. The twins usually _ milk and bread for breakfast, but Jim _ some coffee for it. A. have/ have B. have/ has C. has/ have