一般现在进行时

一般现在进行时时第一，一般现在进行时时：用来表示正在进行或发生的动作。如，I am reading English. She is watching TV now. He isnt listening to music now. Look, He is doing his homework.第二， 构成： 主语 + be ( am, is, are) +现在分词 即，v+ ing形式 如， We are running. They are swimming. She is dancing. The bird is singing in the tree. The plane is flying in the sky.注意：动词加-ing的变化规则1、 一般情况下动词后面直接加ing。 如，cook-cookingwatch-watching read-reading study-studying2、 以不发音的e结尾的动词，去掉e加ing。如， take-takingmake-making write-writing taste-tasting 3、 如果单词末尾是一个元音字母和一个辅音字母，要双写最有一个辅音字母再加ing。如， put-putting run-running hit-hitting stop-stopping swim-swimming第三，句型变化：肯定句、否定句、一般疑问句、特殊疑问1、 肯定句：主语+ be ( am, is, are) + 现在分词 如，The teacher is talking with a boy. She is studying English nowMy mum is cooking dinner. My dad is reading newspaper.2、 否定句：主语+ be ( am, is, are) +not + 现在分词 如，I am not doing my homework. They are not (arent) learning English.He is not (isnt) playing football now.2、 一般疑问句: Be ( am, is, are) +主语+ 现在分词 如，Are you listening music now? Yes, I am. No, I am not.Is Peter having English class? Yes, he is. No, he isnt.3、 特殊疑问：特殊疑问词+ be ( am, is, are) +主语+ 现在分词 What are they doing? They are dancing and singing.What is the dog eating? It is eating bones. Where are they going? They are going to shanghai. Who is swimming in the pool? Mary is swimming in the pool.疑问词有： what where which who why when howhow many how much how often how long how tall how old what time 4、look 看，listen 听 now 现在， 这三个词经常用在一般现在时当中。如， Look ! Jack is swimming. Listen! Linda is playing the piano. I am cleaning my room now.练习题：1、用所给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）、My mum_(cook) some nice food now. (4)、What are you_(do) now. （5）、Look! They_（have）an English lesson. （6）、They_(not, water) the flowers now. （7）、What is Lily doing? She_（listen）to music.（8）、Its five oclock now, we_(have) supper now.（9）、_Helen_(wash) clothes now? Yes, she is.（10）、Grandpa and grandma_（watch）TV now in the livingroom.2、写出下列动词的-ing形式。 run_ walk_ sleep_ kick_ swim_ write_ read_ cry_ smile_ jump_ throwhop_catch_ pick_ put_ smell_ stand_ hold_ draw_ hit _ help_ taste_ carry_ water_ clean_ feed_ ride_ fly _ make_ sweep_3、连词成句。(1)、The is with elephant drinking trunk its (2)、swimming with father his Tom is （3）、panda baby The bamboo eating is (4)、playground students on the are football playing the （5）、breakfast my mum make I helping am4、选择填空。(1)、What are you _now? A. doing B. do C. does (2)、I am _an E-mail now. A. writing B. writeing C. Writting （3）、Tom is reading _. A. book B. a book C. a books (4)、Kate is _. A. running B.runing C. run （5）、Ducks are swimming _the river. A. on B. in C. under （6）、We are listening _music now. A. to B. at C. of （7）、What _they doing now? A. are B. is C. am (8)、_is your brother doing now? A. whats B. what C. who（9）、Who is _next to Peter? A. stands B. stand C. standing（10）、Where is Sam? He is _. A. sleeping B. sleeps C. sleep5、根据上下文补上所给动词的-ing形式，使短文完整。（write do cook clean answer wash listen draw read work ） Ive got a big family, everybody is very busy. Grandpa is_ a letter. Grandma is _a book. Dad is _ a book in th