Unit 5 I’m watching TV
二）構成
肯定式： be（is/ am/ are）+現在分詞
she is talking on the phone.
we are playing basketball .
否定式： be（is/ am/ are）+ not +現在分詞
i’m not watching tv. i’m reading.
the children aren’t playing computer games.
一般問句：提前be動詞 答語： yes, 主語+ be / no, 主語+ be+ not.
are you cleaning your bedroom? yes, i am.
is he writing a letter? no, he isn’t.
特殊問句：
1. 對謂語動詞進行提問：
what +be+主語+doing + 其他成分？
what is the old man doing there?
what are they doing in the classroom?
2. 對其他成分進行提問：
特殊疑問詞+一般疑問句
where are they playing?
who are you waiting for?
練習: 1. 用所給動詞的適當形式填空
1）—what ____tom ____now? (do)
—he _____ ______ an english book. (read)
2）listen! kate ______ _______ song. (sing)
3）it’s ten o’clock now. the students ______ _____ an english class. (have)
4）—can you_____ after the baby now? (look)
—sorry, i can’t. i _____ _____ my lunch. (eat)
2. 句型轉換
1）he is eating lunch.（用they 替換he）
2）she is reading. （對劃線部分提問）
3) the thief is waiting for a bus. （對劃線部分提問）
4）she can sing. （用 now改寫句子）
3. 翻譯句子
1）你們正在干什么？我們正在打掃教室。
2）現在四點半，同學們正在玩紙牌。
3）看！他們正在游泳池游泳。
4. 單項選擇
1）—keep quiet, kids. dad______ in the next room.
a. sleep b. sleeps c. is sleeping d. sleeping
2) his son can______ the drum. look! he ______ the drum now.
a. plays, is playing b. play, plays
c. play, is playing d. plays, is play
3) mary______ with her mother now.
a. shopping b. is shopping c. shops d. is shoping