Be動(dòng)詞的講解

1、Be動(dòng)詞用法及綜合練習(xí)1 .基本形式：am, is , are2 .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.8. They are our friends.2 .在（表存在，位置）Ex: A. The book is on the desk.3 .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） :areWe are students.第二人稱單數(shù)（you你）：areYou are girl.復(fù)數(shù)（you你們）：ar

2、eYou are young.第三人稱單數(shù)（she he、it）: isHe is right.復(fù)數(shù)（they）: areThey 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+not Ex: 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=isn ' a re n

3、ot=aren ' t （注意：am not一般不縮寫）Ex: He is not a good football player.=He isn ' t a good football player.練習(xí) 1.They are not a hard-working boys.（寫出它的縮寫句）4. 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

4、：Is it my pen?練習(xí)I.She is my 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

5、疑問句：疑問詞 5 個(gè) W:、Who、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 b

6、ig eyes 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.5. How Linda &

7、#39; s Spotty? He ' s 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 she they Jim The dog二.選擇I.She Miss Hen.C.is2.I sorry.C.are3 .Here my ball.C.am4

8、 .You number eight.C.am5 .What this?C.be6 .Helen a student.C.is7 .Those oranges.C.am8 . How old your teacher?be動(dòng)詞形式： I he itTony and Marry My rulerA.beA./A.isA.areA.isA.beA.isA.beyou_ GinaYour penB.amB.amB.areB.isB.areB.amB.areB.amC.is9 . Where her mother?A.are B.isC.am10 .The two cups of milk for m

9、e.A.isB.areC.be11 . Eric and Kathy my students.A.are B.isC.am12 . Your books not good.A.isB.areC.be13 . He a boy.A.beB.amC.is14 . It my dog.A.isB.areC.be15 .Whose socks they?A.are B.isC.am三.寫出下列詞適當(dāng)形式：16 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充整形式）7.it's（

10、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. She s 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： 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：