现在进行时讲解及其练习题.doc

现在进行时现在进行时：表示现在（说话的瞬间）或现阶段正在进行或发生的动作。现在进行时的结构：主语+be+v-ing(现在分词)+其他. Im singing now. Youre dancing. Hes running in the park. Theyre working these days.现在分词的构成：现在分词有规律， looking buying going 一般在后面加ing, 碰到结尾哑巴e, arrive- arriving come-coming 去e再加ing,一辅重读闭音节， 双写辅字加ing. run- running put-putting sit-sitting现在进行时的句型转换，在be动词上做文章。1. Hes eating apples.(变否定句)Hes not eating apples.2.Mr Wang is playing the trumpet. (变一般疑问句,并作肯定回答) Is Mr Wang playing the trumpet? Yes, he is.3.Were reading.( 变一般疑问句,并作否定回答)Are you reading? No, we arent.现在进行时的标志词：1. now 2.look , listen 提醒注意时 1. My aunt is buying some food in the supermarket now.2. Look!That boy is running. 3.Listen!Tom is singing.一、 单项选择：1Dont talk here. My mother . A. sleeping B.are sleeping C.is sleeping D.sleep2 are the boys doing? Theyre singing in the room. A.Who B.How C.What D.When3My parents are a magazine now. A.watching B.seeing C.looking D.reading4Listen! Someone on the phone. A.talk B.are talking C.is talking D.talks5I know you next week. A arrive B are arrive C.are arriveing D.are arriving 二、句型转换： 1.Tom is watching TV. (变否定句) 2.Im reading at home. (变一般疑问句,并作肯定回答) 3.Jenny is dancing at school.（对划线部分提问） 4.Shes swimming at the pool. （对划线部分提问） 5. is clean library who the them helping (连词成句)三、改错专练：1. Karen is listenning to music now. 2.Jodie with his her friends are playing basketball.3.Its eight oclock. The family is watching TV at home.4.What are they talking in the office?5.Where are the policewomen? They work on Bridge Street.