小学英语现在进行时讲解现在进行时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)+动词-ing形式构成。
标志性词语:1.现在进行时.通常用“now”. eg: I am doing my homework now.2.现在进行时.通常用“look”.eg: Look! My mother is running.3.现在进行时.通常用“listen”.eg: Listen! They are reading.4.现在进行时.通常用“at the (this) moment”eg: At the (this) moment, he is only weeping.动词现在分词的构成规则 1. 一般情况下直接加ing think---thinking sleep---sleeping study---studying 2. 以不发音的字母e结尾的单词,去掉字母e，再加ing come---coming make---making have---having 3.以重读闭音节(重读闭音节即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ing stop---stopping sit---sitting run---running 这类词还有: bigin，cut, get,hit, run, set, sit, stop, swim等。
4. 以ie结尾的动词，把ie改为y ，再加ing die---dying lie---lying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，例如:Mother is cooking in the kitchen.妈妈在厨房里煮饭。
(2)用来表示现阶段正在进行的动作(但说话时不一定在进行)，例如:Is she writing a novel? 她正在写一本小说吗?(3)用来表示即将发生的动作，一般是指按计划或者安排好要发生的动作。
适用于这种情况的动词主要有: go,come,leave,start,arrive等。
例如:I’m going home in half an hour.我一个半小时内要回家。
现在进行时的句型变化肯定式结构:主语+be+动词-ing形式+其他.例如:We are running now.否定式结构:主语+be+not+动词-ing形式+其他.例如:They aren’t doing their homework.一般疑问句式结构: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.基础练习一、用所给的动词的正确形式填空1.The boy __________________ ( draw)a picture now.2.Listen .Some girls _______________ ( sing)in the classroom3.My mother _________________ ( cook )some nice food now.4.What _____ you ______ ( do ) now?5.Look . They _______________( have) an English lesson .6..They ____________(not ,water) the flowers now.7.Look! the girls ________________(dance )in the classroom .8.What is our granddaughter doing? She _________(listen ) to music.9.. It’s 5 o’clock now. We _____________(have)supper now 10.______Helen____________(wash )clothes? Yes ,she is2、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________3、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______________________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:__________________________4、用现在进行时完成下列句子1.What _________ you __________ (do)?2. I _____________ (sing) an Englishsong.3. What ________ he ____________(mend)?4. He ______________ (mend) a car.5. ______ you __________ (fly) a kite?Yes, _____________.6. . ______ she ___________ (sit) in theboat?7. . ______ you _____________ (ask)questions?8. We _______________ (play) gamesnow 9. What are you _________(do) now? I ___________(eat) bread.10. It’s nine o’clock. My father_______________(work) in the 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____________(sing) in the music room?Oh, Mary_____________(sing) there.单项选择1. Who _____ over there now?A. singing B. are sing C. is singing D. sing 2. It’s eight o’clock. The students _____ an English class. A. have B. having C. ishaving D. are having 3. Listen! The baby _____ in the next room.A. crying B. cried C. is crying D. cries 4. Look! The twins _____ new sweaters.A. are wearing B. wearing C. are wear D. is wearing 5. Don’t talk here. Grandparents _____.A. is sleeping B. are sleeping C. sleeping D. sleep 6. Tom is a worker. He ____ in a factory. His sisters _____ in a hospital.A. work，work B. works, work C. work, works 7. Who _____ English best in your class?A. speak B. speaks C. speaking 8. Mrs. Read _____ the windows every day.A. is cleaning B. clean C. cleans 9. We _____ music and often _____ to music.A. like, listen B. likes,listens C.like, are listening 10. She _____ up at six in the morning.A. get B. gets C. getting 11. On Sundays he sometimes _____ his clothes and sometimes _____ some shopping.A. wash,do B. is washing, is doing C. washes,does 12. The twins usually _____ milk and bread for breakfast, but Jim _____ some coffee for it.A. have, have B. have, has C. has, have 13. Tom his teeth now.A. brush B. brushes C. is brushing D. will brush 14. He now.A. smoke B. smokes C. is smoking D. will smoke 15. Look! That girl A. dance B. dances C. is dancing D. will dance 16. Listen! The baby .A. cry B. cries C. is crying D. will cry 17. He now.A. dance B. dances C. is dancing D. will dance 18. Look! The monkey a banana.A. peel B. peels C. is peeling D. will peel 19.Don’t be so naughty! My mother A. sleep B. sleeps C. is sleeping D. will sleep 20.Cats _____ on the floor now.A. lie B. are lying C. are lying D. will lie 21.Listen! She A.sing B. sings C. is singing D. will sing 22. I _____ for my friends now.A: will wait B: am waiting C: waited D: waits。