现在进行时详细讲解及练习题.doc

现在进行时概念：现在进行时表示现在或当前一段时间正在进行的动作。可以表示有计划的未来。现在进行时的结构：1.主语+ be动词现在式（am、is、are）+动词ing现在分词形式I am watching TV now.我正在看电视You are reading books.你正在看书She is playing basketball.她正在打篮球He is running.他正在跑步It is eating fish.它正在吃鱼They are teachers.他们是老师练习：She ( ) looking for a coat. You ( ) cleaning the room. It ( ) swimming in the pool. The dog ( ) chasing a cat. I ( ) cooking dinner. They ( ) doctor.1、当句子中有now, at the moment，Its + 具体点钟时，常表示动作正在进行，这时要用现在进行时。如： They are playing basketball now.现在他们正在打篮球。 I am cleaning my room now. 现在我正在打扫房间。2、以look, listen开头的句子，提示我们动作正进行，这时要用现在进行时。如： Look! Jack is swimming.看！杰克正在游泳。Listen! She is singing.听！她正在唱歌。翻译下面的句子看！我弟弟正在游泳。 听！我妹妹正在唱歌。3、表示当前一段时间或现阶段正在进行的动作，且此时有this week, these days等时间状语，这时常用现在进行时。如： They are planting trees these days.这几天他们在种树2.Be（am、is、are）+主语+ v_ing+其它 ? She is washing her hands. 她正在洗手 Is she washing her hands? 她在正在洗手吗？ I am learning English.我正在学习英语 Are you learning English.你正在学习英语吗？ It is chasing cats now.它正在追着猫咪 Is it chasing cats now.它正在追着猫咪吗？ They are students.他们是学生 Are they students.他们是学生吗？练习：He is drawing an elephant. Han Mei is drawing a cat. I am watching TV now. They are doing housework . It is drinking milk. You are doing your homework.3.特殊疑问句疑问词be (am, is, are)主语现在分词1. What are you doing? 你正在干什么？ I am doing my homework.我正在做作业。 2. What are they doing?他们正在干什么？ They are watching movie.他们正在看电影 3.what is he/she/it doing? 他/她/它正在做什么 He/she/it is eating ice cream.他她它正在吃冰淇淋4.否定句：（变否定句在be动词后面加 not）主语be(am, is, are)+not+现在分词 She is not playing games. It is not eating dog food.肯定式否定式单数I am working.You are working.He/She is working.I am not working.You are not working.He/She is not working.复数We/You/They are working.We/You/They are not working.小总结：5、现在进行时和一般现在时的区别1、现在进行时表示现在进行的动作，一般现在时表示经常性的动作。He is reading newspaper now.他现在正在看报纸He reads newspaper every day.他每天看报纸5、有些表示状态、感觉或情感的动词一般不用于进行时态，例如： know, want , like , hear , hope , hate，look等。He looks well.他今天气色不错（表状态）I hate you.我讨厌你（表情感）练习用所给的动词的正确形式填空：1. What are you _(do) now? I _(eat) bread.2. Its nine oclock. My father_(work) in the office.3. Look, the boy_(put) the rubbish into the bin.4. _ he _(clean) the classroom? No, he isnt.5.The boy _ ( draw)a picture now.6. Listen .Some girls _ ( sing)in the classroom .7. What _ you _ ( do ) now?8. Its 5 oclock now. We _(have)supper nowII. 选择填空 1. What are you doing? I_.A. eat B. can eat C. eating D. am eating2. Its eight oclock. Jimmys parents _ TV.A. is watching B. are watching C. watch D. to watch3. They are _ these books in the box now.A. puting B. put C. to put D. putting4. _ you _ the window? Yes, I am.A. Do, clean B. Is, cleaning C. Are, cleaning D. Do, cleaning5、 ( )5. What is _ doing? A. she B. her C. your6. Listen! The baby