一般現(xiàn)在進(jìn)行時時第一，一般現(xiàn)在進(jìn)行時時：用來表示正在進(jìn)行或發(fā)生的動作。如，I am reading English. She is watching TV now. He isnt listening to music now. Look, He is doing his homework.第二， 構(gòu)成： 主語 + be ( am, is, are) +現(xiàn)在分詞 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：動詞加-ing的變化規(guī)則1、 一般情況下動詞后面直接加ing。 如，cook-cookingwatch-watching read-reading study-studying2、 以不發(fā)音的e結(jié)尾的動詞，去掉e加ing。如， take-takingmake-making write-writing taste-tasting 3、 如果單詞末尾是一個元音字母和一個輔音字母，要雙寫最有一個輔音字母再加ing。如， put-putting run-running hit-hitting stop-stopping swim-swimming第三，句型變化：肯定句、否定句、一般疑問句、特殊疑問1、 肯定句：主語+ be ( am, is, are) + 現(xiàn)在分詞 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：主語+ be ( am, is, are) +not + 現(xiàn)在分詞 如，I am not doing my homework. They are not (arent) learning English.He is not (isnt) playing football now.2、 一般疑問句: Be ( am, is, are) +主語+ 現(xiàn)在分詞 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、 特殊疑問：特殊疑問詞+ be ( am, is, are) +主語+ 現(xiàn)在分詞 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.疑問詞有： what where which who why when howhow many how much how often how long how tall how old what time 4、look 看，listen 聽 now 現(xiàn)在， 這三個詞經(jīng)常用在一般現(xiàn)在時當(dāng)中。如， Look ! Jack is swimming. Listen! Linda is playing the piano. I am cleaning my room now.練習(xí)題：1、用所給動詞的正確形式填空。 (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、寫出下列動詞的-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、連詞成句。(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、選擇填空。(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、根據(jù)上下文補(bǔ)上所給動詞的-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