Be动词的讲解

1、v1.0可编辑可修改11Be 动词用法及综合练习.基本形式：am, is , are.定义：1.是（表状态）（打开书本 P77-P78,找出一下意思的句子）Ex: A. I am very happy.B . They are our friends.2.在（表存在，位置）Ex： A. The book is on the desk. is at home.三.主词+Be 动词一般来说 be 动词要根据主词的人称来选择，如;第一人称单数（1 ）: amI am a boy.复数（We :areWe are stude nts.第二人称单数（you 你）：areYou are girl.复数（y

2、ou 你们）：areYou are young.v1.0可编辑可修改22第三人称单数（she、he、it）: isHe is right.复数（they）: areThey are coming.四.Be 动词的否定1.含 be 动词（am is、 are ）的肯定句在 be 动词后加 not，即变成否定句的格式:肯：主词+am/is/are+ 否:主词 +am/is/are+notEx:肯:He is a good father.否：He is not a good father.练习 is a bad girl.（写出否定句）2. It is a dog.3. be 动词可以跟 not 缩

3、写在一起is not=isn t are not=aren t（注意： am not 般不缩写）Ex： He is not a good football player.=He isn t a good football player.练习 are not a hard-worki ng boys.（写出它的缩写句）v1.0可编辑可修改33is not good at dancing.五.Be 动词的疑问句：1.在谓语是 be 动词的句子中， 将 be 动词移到主词前， 句尾加“”， 即可构成疑 问句格式：肯：主词 +am/is/are+ .疑：Am/ls/Are+ 主词 +.Ex： 肯;lt

4、 is my pen.疑: Is it my pen练习 is my sister.（写出它的疑问句）is a han dsome boy.动词开头的一般疑问句，可用Yes 或 No 回答，而答句中的主词需要用代名词(I/She/He/They/We 等)代替.格式：肯：Yes,主词 +am/are/is.否: No,主词 +am/are/is+not.Ex： Is that man your friend答: Yes,he is/No,he is not.v1.0可编辑可修改44练习： he your han dsome father肯定回答：_否定回答：_you happy肯定回答：_否定

5、回答:_特殊疑问句：疑问词 5 个 W、Who Where When、What、WhyHow+be（ am，is，are）+ 其他BeBe 动词 的用法口诀: :我用 amam，你用 areare，isis 连着他，她，它； 单数名词用 用 areare。变疑问，往前提，句末问号莫丢弃。变否定，更容易，bebe 后 notnot 莫忘记。句首大写莫迟疑。练习一.练习题：用 be(is, am,are)动词的适当形式填空1) I_a boy._ you a boy No, I_ not.2) The girl_ Jacks sister.3) The dog_tall a nd fat4) Th

6、e man with big eyes_ a teacher.5)_your brother in the classroomisis，复数名词全疑问否定任你变，v1.0可编辑可修改556) How_ your father7) Mike and Liu Tao_ at school.8) Whose dress_this9) The jea ns_ on the desk10) Here_a scarf for you.练习二：1. Mr. Cow likes to eat grass. He_very strong.2. I_fat. I_tall.3. Who_ your sister

7、Jenny_.4. _ you Mr. Birdie Yes, I_ .5. How_ Linda s Spotty He s fine.6. My pet_a smart mon key.7. How many people_ there in your family8. _ you in the classroom Yes, I_.9. Who_ this man in the photo It_ your father.10.Bob and Lily_ my classmates.14)请在这些代词后面填上相应的be 动词形式：I_she _ he _ it _ they_ Tony a

8、nd Marry _ Gina_ The dog My rulerYour pen二. 选择you_Jimv1.0可编辑可修改56_ Miss Hen.v1.0可编辑可修改66_ sorry._ my ball._ nu mber eight.a stude nt._ oran ges.8. How old_your teacher9. Where_ her mothertwo cups of milk_ for me.11. Eric and Kathy_ my stude nts.12. Your books_ not good.A./v1.0可编辑可修改7713. He_ a boy.1

9、4. It_ my dog.socks_ they三. 写出下列词适当形式：（复数）_ are （缩略形式）_ not（缩略形式）_not （缩略形式）_ not（缩略形式）s（完整形式）_s（完整形式）_ re（完整形式）_ t（完整形式）_改句练习卷（一）把下列句子改成否定句和一般疑问句并作肯定或否定回答。1. This is the readi ng room.否定句：_一般疑问句：_肯定回答：_否定回答：_2. She s Miss Lynn.v1.0可编辑可修改88否定句：_一般疑问句：_肯定回答：_否定回答：_3. I am in Grade 3.否定句：_一般疑问句：_肯定回答：_否定回答：_4. Miss Zhang is our En glish teacher.否定句：_一般疑问句：_肯定回答：_否定回答：_5. We are teachers.否定句：_一般疑问句：_v1.0可编辑可修改89肯定回答：_v1.0可编辑可修改99否定回答：_6. These are pears.否定句：_一般疑问句：_肯定回答：_否定回答：_7. It is a nice pen.否定句：_一般疑问句：_肯定回答：_否定回答：_are good at draw in pi