含be动词的一般现在时.ppt

用法口诀： “我(I)”用am , “你(you)”用are, is跟着“他(he)”、“她(she)”、“它(it)”, 一切复数（we,you,they）都用“are”。,用be（am , is, are）三种形式填空,1.I _a student. 2.Sandy _my classmate. 3.We _in Grade 7. 4.They _happy. 5.It _my bag. 从以上5个句子，你能发现什么？,变式例句: be 动词一般现在时的肯定句:,1.I am a new student. 2.They are my teachers. 3.She is tall.,Guide Two 请同学们在5分钟之内对比以下几个句子， 你能从中发现什么，比比谁总结的最快。 be 动词一般现在时的否定句：,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.,变式练习: be 动词一般现在时的否定句: 4. I am _ a student. 5. You are _ good at swimming. 6. Simon is _ tall.,请同学们在3分钟之内对比以下几个句子， 你能从中发现什么，比比谁总结的最快。 一般现在时be动词的一般疑问句 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,变式练习,将下列句子变成 (1)一般疑问句并作肯定和否定回答; (2)变成否定句。 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.,布置作业:用be的适当形式填空,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