1、Lesson 40I. A. (Across) 1. brother 2. below 3. old 4. play (Down) 1. birhtday 5. cry 6. telephone 7. combB. father mother sister brother familyII. A. 1. sits sitting 2. does doing 3. talks writing 4. walks riding 5. watch listening B. beside on below above on課本習題參考答案IV. B 參考范文 My brothers name is Li

2、 Feng. He is thirty-seven years old. He works in a middle school. He is a teacher. He teaches Chinese. He likes playing game. Now he is reading news paper at home.語法解讀現在進行時1.基本含義表示說話時正在進行的動作或發生的情況。如：Im reading a book. 我正在讀書。也可以表示現階段正在而此刻不一定進行的動作。如：What are you doing these days? 這些天你在干什么？還可以表示一個按計劃即將

3、發生的動作。但僅適用于go, come, leave, arrive等少數動詞，且經常和一個表示將來的時間的狀語連用。如：Im going hiking next week. 我打算下周去徒步旅行。2.謂語結構：助動詞be+現在分詞助動詞be本身沒有詞匯意義，它應隨主語的人稱和數變化。其變化形式與連系動詞be相同，即第一人稱單數用am，第三人稱單數用is，其他情況一律用are。3.現在分詞(-ing)的構成規則規則變化動詞原形-ing形式1.一般情況下，直接在動詞末尾加-ingdo-doing, stand-standing2.以不發音e結尾的單詞，先去e再加-ingclose-closing

4、, take-taking3.以重讀閉音節結尾的單詞，先雙寫末尾的輔音字母，再加-ingget-getting, cut-cutting4.使用場合當句中含有now, at this moment(此刻), these days, recently(最近)。如：She is talking to her mother at the moment. 此刻她正在和老師談話。當句中含有listen，look等動詞時。如：Listen! The teacher is singing an English song. 聽！這位老師正在唱英文歌。上文提示某一動作正在進行。如：Where is Danny?

5、 丹尼在哪兒？He is listening to the radio in his room. 他正在房間里聽收音機。5.句式結構陳述句式的肯定式及否定式。否定式在助動詞be后加not。如：Youre cleaning the floor. You arent reading. 你正在擦地板。不是在讀書。He is listening to the teacher. He isnt dancing. 他正在聽老師(講話)。他不在跳舞。一般疑問句形式：將助動詞be提到主語前，句末加“？”。如：Are you watching TV? 你在看電視嗎？Is Lily wearing a red dress? 莉莉在穿著一件紅裙子嗎？特殊疑問句句式：特殊疑問詞+be+主語+現在分詞+？如：What are they doing? 他們正在做什么？What is your brother drinking? 你哥哥正在做什么？Exercise:用系動詞be的適當形式填空1.Look at the picture. Li Yuan _（brush）her teeth2.I_ (clean) in the classroom now.3.She (talk) with her sister.4.Look! The