英语四年级下册重点语法：现在进行时态（附练习含答案）.doc

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1、四年级下学期期末重点语法复习：现在进行时态（附练习及答案）现在进行时 知识讲解一、定义现在进行时：表示现在或现阶段正在进行或发生的动作或存在的状态。如：My mother is cooking dinner now.我妈妈现在在做晚饭。Look，Tom is doing his homework inhis room.看，汤姆正在他的房间做作业。二、标志词now：现在 look ：看，一般放在句首。 listen：听，一般放在句首。三、结构由be动词(am/is/are)+动词ing形式构成1、肯定句：主语+ be动词 + 动词ing形式+其他.如：We are running now.我们正

2、在跑步。2、否定句：主语+be动词+not+动词ing形式+其他.如：They arent doing homework now.他们现在没有在写作业。3、一般疑问句：Be动词+ 主语+ 动词ing形式+其他？如：Is she having an English lesson?她正在上英语课吗？肯定回答：Yes, she is.否定回答: No, she isnt.4、特殊疑问句：特殊疑问词+ be动词+ 主语 +动词ing形式+其他？如:What is he doing now?他现在在做什么？四、动词ing形式的变化规则一般情况下直接加ing（直）如：sleep-sleepingstudy

3、-studying以不发音的字母e结尾的单词,去掉字母e，再加ing（去）如：come-comingmake-making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（双）如：stop-stoppingget-getting现在进行时 专项练习一、单项选择。( )1.Janet over there now.A. singingB. are singC. is singingD. sing( )2. Its eight oclock.The students an English class.A. haveB

4、. havingC. is havingD. are having( )3.Listen! The baby in the next room.A.cryingB. criedC. is cryingD. cries( )4.Look! The girls new sweaters.A. are wearing B. wearingC. are wearD. is wearing( )5.Dont talk here. Grandparents .A.is sleepingB. are sleepingC. sleepingD. sleep( )6. What your brother_now

5、?A. is, doingB. is, doC. does, doD. are, doing( )7.Look! Tom TV with his parents.A. watchingB. is watchC. are watching D.is watching( )8.I am a shower in the bathroom.A. am takingB. takingC. takesD. Take二、 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 classroom.3.

6、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. Its 5 oclock now. We (have) supper now.10. Tom (cook )lunch!Yes,

7、he 1s.三、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: 2.They are singing in the classroom.否定句: 一般疑问句: 肯定回答: 否定回答: 3.I am doing my homework in my room.否定句: 一般疑问句: 肯定回答: 否定回答: 练习题答案：一、1.C 2.D 3.C4.A 5.B6.A 7.D 8.B 9.A 10.C二、1.is drawing2.are singing3.is cooking4.are, doing5.are hav

8、ing6.arent watering7.are dancing8.is listening9.are having10.Is , cooking三、1.The boy isnt playing basketball now.Is the boy playing basketball now?Yes, he is.No, he isnt.2.They arent singing in theclassroom.Are theysinging in theclassroom?Yes,they are.No,they arent.3.I am not doing my homework in my room.Are you doing your homework in your room?Yes, I am.No,I am not.