含be動詞的一般現(xiàn)在時.ppt

用法口訣： “我(I)”用am , “你(you)”用are, is跟著“他(he)”、“她(she)”、“它(it)”, 一切復數(shù)（we,you,they）都用“are”。,用be（am , is, are）三種形式填空,1.I _a student. 2.Sandy _my classmate. 3.We _in Grade 7. 4.They _happy. 5.It _my bag. 從以上5個句子，你能發(fā)現(xiàn)什么？,變式例句: be 動詞一般現(xiàn)在時的肯定句:,1.I am a new student. 2.They are my teachers. 3.She is tall.,Guide Two 請同學們在5分鐘之內對比以下幾個句子， 你能從中發(fā)現(xiàn)什么，比比誰總結的最快。 be 動詞一般現(xiàn)在時的否定句：,1.I am a new student. 2.I am not a new student. 3.They are my teachers. 4.They are not my teachers 5.She is tall. 6.She is not tall.,變式練習: be 動詞一般現(xiàn)在時的否定句: 4. I am _ a student. 5. You are _ good at swimming. 6. Simon is _ tall.,請同學們在3分鐘之內對比以下幾個句子， 你能從中發(fā)現(xiàn)什么，比比誰總結的最快。 一般現(xiàn)在時be動詞的一般疑問句 及其肯定和否定回答,1. Am I the first? Yes, you are. No, you arent 2. Are you good at swimming? Yes, I am. / Yes, we are. No, Im not. / No, we arent. 3. Is Simon tall? Yes, he is. No, he isnt,變式練習,將下列句子變成 (1)一般疑問句并作肯定和否定回答; (2)變成否定句。 We are good friends.,(1) Are you good friends? Yes, we are. / No, we arent. (2) We arent good friends.,Simon and Sandy are classmates.,(1) Are Simon and Sandy classmates? Yes, they are. / No, they arent. (2) Simon and Sandy arent classmates.,Her hair is long.,(1) Is her hair long? Yes, it is. / No, it isnt. (2) Her hair isnt long.,布置作業(yè):用be的適當形式填空,1. A:What _(be) his name ? B:His name _(be) Tom. 2. A:_(be)you Mikes classmate? B:Yes,I _(be). 3. A:What _(be) your brother? B:He _(be) a doctor. 4. A:_( be) they your new class