1、一、現在進行時的構成：由,be動詞+ v-ing”構成。(V-ing表示在動詞后面加上ing) 現在進行時常用以下幾種情況：.當句子中有now時，常表示動作正在進行，這時要用現在進行時。如：They a re playing basketball now.現在他們正在打籃球。.以look, listen開頭的句子，提示我們動作正在進行，這時要用現在進行時。如：Listen ! She is singing an English song.聽，她正在唱英語歌。二、現在進行時的變化肯定句式：主語+ be( am, is, are)+V-ing +其它.I am doing my homework.

2、 He is washing his clothes.You are flying a kite.否認句式：主語 + be(am/Sj are)+not + V-ing + 其它.I am not doing my homework. He is not washing his clothes.You are not flying a kite.一般疑問句：Be(am, is, are) +主語+ V-ing +其它Are you doing your homework Is he washing his clothesAm I flying a kite特殊疑問句：疑問詞+ be(am, i

3、s, are)+主語+ V-ing +其它What are you doing in the house Where is he goingWhen is she doing her homework三、動詞的ing形式的變化1)一般情況在動詞原形后直接加-ing go-going , stand-standing ， cook-cooking, do-doing2)以e結尾的動詞，要去掉e + ing.take-taking, make-making, have-having3)重讀閉音節動詞，要雙寫最后一個字母，再加ing(所謂“重讀閉音節：從動詞的末尾開始尋找，如果倒數第二個字母是元音字

4、母，并且元音字母兩邊的字母沒有組合音，沒有變音，都單獨發音，這樣的動詞都必須，雙寫后，再加上ingget- getting , put-putting, runrunning, begin-beginning swim-swimmingeateating這個動詞有ea組合音，所以不能雙寫studystudying這個動詞倒數第二個字母不是元音字母，不能雙寫(4以-ie結尾的動詞，把ie變成y ,再加ing.lielying,tie-tying一、寫出以下動詞的現在分詞：play run swi m m a ke golike write read have singput see buy I

5、ove ta ke co m eget stop sit二.用所給的動詞的正確形式填空：The boy(draw) a picture now.Listen! Some girls(sing) in the classroom.My mother(cook) some nice food now.What you(do) nowLook! They(have) an English lesson.What is our granddaughter doing She(listen ) to music.Its 5 o/clock now. We(have) supper nowTom(cook ) lunch Yes, he is.三.選擇填空1. What are you nowB. do C. doesam English.Shedancing now.A iKate is.Look! The rabbit is. Whatthey doi