小学现在进行时讲解一、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)+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.二、动词现在分词的构成规则1 一般情况下直接加ingthink---thinking sleep---sleeping study---studying speak---speaking say---sayingcarry---carrying wake---waking2 以不发音的字母e结尾的单词,去掉字母e，再加ingcome---coming make---making leave---leaving have---having take---taking3 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 forget---forgetting begin---beginning这类词还有：bigin，cut, get,hit, run, set, sit, spit, stop, swim, beg, drop, fit, nod, dig,forget, regret, rid, 等。
4 以ie结尾的动词，把ie改为y ，再加ingdie---dying lie---lying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，例如：Mother is cooking in the kitchen.妈妈在厨房里煮饭What are you looking at? 你在看什么？（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The train is arriving soon.火车很快就要到达了四、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.五、巩固练习一. 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.第2 / 4页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. 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.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. cries4. 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 _____ 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. cleans第3 / 4页9. 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 clothesand 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。