Be動(dòng)詞的講解

1、Be動(dòng)詞用法及綜合練習(xí)一 基本形式： am， is ， are二定義：1. 是（表狀態(tài)） （打開書本P77-P78，找出一下意思的句子）Ex: A. I am very happy. BThey are our friends.2. 在（表存在，位置）Ex：A. The book is on the desk.B.She is at home.三 主詞+Be動(dòng)詞一般來說be動(dòng)詞要根據(jù)主詞的人稱來選擇，如；第一人稱單數(shù)（I）：amI am a boy.復(fù)數(shù)（We）:are We are students. 第二人稱單數(shù)（you 你）：are You are girl. 復(fù)數(shù)（you 你們）：ar

2、e You are young. 第三人稱單數(shù)（she、he、it）：is He is right.復(fù)數(shù)（they）：are They are coming.四Be動(dòng)詞的否定1.含be動(dòng)詞（am、is、are）的肯定句在be動(dòng)詞后加not，即變成否定句的格式：肯:主詞+am/is/are+否:主詞+am/is/are+notEx: 肯:He is a good father.否：He is not a good father.練習(xí)1.She is a bad girl. (寫出否定句) 2. It is a dog. 3. be動(dòng)詞可以跟not縮寫在一起is not=isnt are not=

3、arent （注意：am not一般不縮寫）Ex：He is not a good football player. = He isnt a good football player.練習(xí) 1.They are not a hard-working boys. （寫出它的縮寫句） 2.She is not good at dancing. 五Be動(dòng)詞的疑問句：1.在謂語是be動(dòng)詞的句子中，將be動(dòng)詞移到主詞前，句尾加“？”，即可構(gòu)成疑問句格式：肯：主詞+am/is/are+疑：Am/Is/Are+主詞+Ex：肯;It is my pen.疑：Is it my pen？練習(xí) 1.She is m

4、y sister. （寫出它的疑問句） 2.He is a handsome boy. 2.be動(dòng)詞開頭的一般疑問句，可用Yes或No 回答，而答句中的主詞需要用代名詞（I/She/He/They/We等）代替.格式：肯：Yes，主詞+am/are/is. 否：No,主詞+am/are/is+not.Ex： Is that man your friend？ 答：Yes,he is/No,he is not.練習(xí)：1.Is he your handsome father?肯定回答：_ 否定回答: _ 2.Are you happy？ 肯定回答：_ 否定回答: _ 特殊疑問句：疑問詞5個(gè)W：、Wh

5、o、Where、When 、What 、Why How+be（am，is，are）+其他Be動(dòng)詞的用法口訣 : 我用am，你用are，is連著他，她，它； 單數(shù)名詞用is，復(fù)數(shù)名詞全用are。 變疑問，往前提，句末問號(hào)莫丟棄。 變否定，更容易，be后not莫忘記。 疑問否定任你變，句首大寫莫遲疑。 練習(xí)一.練習(xí)題：用be(is, am,are)動(dòng)詞的適當(dāng)形式填空1）I _ a boy. _ you a boy? No, I _ not.2）The girl_ Jack's sister.3）The dog _ tall and fat4）The man with big eyes _

6、a teacher.5）_ your brother in the classroom?6）How _ your father?7）Mike and Liu Tao _ at school.8）Whose dress _ this?9)The jeans _ on the desk10)Here _ a scarf for you.練習(xí)二：1. Mr. Cow likes to eat grass. He _ very strong.2. I _ fat. I _ tall.3. Who _ your sister? Jenny _.4. _ you Mr. Birdie? Yes, I _.

7、5. How _ Lindas Spotty? Hes fine.6. My pet _ a smart monkey.7. How many people _ there in your family?8. _ you in the classroom? Yes, I _.9. Who _ this man in the photo? It _ your father.10. Bob and Lily _ my classmates.14)請(qǐng)?jiān)谶@些代詞后面填上相應(yīng)的be動(dòng)詞形式： I _ you _ she _ he _ it _ they _ Jim _ Tony and Marry _

8、Gina _ The dog _ My ruler _ Your pen _二.選擇 1.She _ Miss Hen. A.be B.am C.is 2.I _ sorry. A./ B.am C.are 3.Here _ my ball. A.is B.are C.am 4.You _ number eight. A.are B.is C.am 5.What_this？ A.is B.are C.be 6.Helen_ a student. A.be B.am C.is 7.Those _oranges. A.is B.are C.am 8. How old _your teacher?

9、A.be B.am C.is 9. Where _ _ her mother? A.are B.is C.am 10.The two cups of milk _ for me. A.is B.are C.be 11. Eric and Kathy _ my students. A.are B.is C.am 12. Your books _ not good. A.is B.are C.be 13. He _ a boy. A.be B.am C.is 14. It _ my dog. A.is B.are C.be 15.Whose socks _ they? A.are B.is C.a

10、m 三.寫出下列詞適當(dāng)形式: 1.is (復(fù)數(shù))_ 2.we are (縮略形式) _ 3.are not(縮略形式) _4.is not (縮略形式) _ 5.can not(縮略形式) _6.she's(完整形式) _7.it's(完整形式) _ 8.they're(完整形式) _ 9.don't(完整形式) _改句練習(xí)卷（一）把下列句子改成否定句和一般疑問句并作肯定或否定回答。1.This is the reading room. 否定句：_ 一般疑問句： _ 肯定回答：_ 否定回答：_ 2.Shes Miss Lynn. 否定句：_ 一般疑問句： _ 肯定回答：_ 否定回答：_ 3.I am in Grade 3. 否定句：_ 一般疑問句： _ 肯定回答：_ 否定回答：_ 4.Miss Zhang is our English teacher. 否定句：_一般疑問句： _肯定回答：_ 否定回答：_ 5.We are teachers.否定句：_一般疑問句： _肯定回答：_ 否定回答：_ 6.These are pears. 否定句：_一般疑問句： _肯定回答：_ 否定回答：_ 7. It is a nice pen.否定句：_一般疑問句： _肯定回答