Be動詞的幾種形式

1、Be動詞的幾種形式與用法be動詞包括am, is, are.一.肯定式與否定式（以人稱代詞為例）肯定式否定式1 am a student1 am not a student.He /She/lt isHe /She/lt is notWe/You/They are(We/You/They are not肯定句：主語+ be +其它。否定句：主語+ be + not +其它。I am a studentI am not a doctor.She is Lucy.She is not Lily.They are at home,They are not at school.縮略形式疑問式與簡略回答

2、Shes my sister.Be動詞的用法口訣:She not my brother.疑問式簡略回答Am 1Yes, 1 am.No, 1 am notIs he/ she/ itYes, he/ she/ it is. No, he/ she/ it isntAre we/ you/ theyYes, we/ you/ they are No, we/ you/ they arer/1一般疑問句：Be +主語+其它 回答：Yes,主語+be. / No,主語+be+not.Are you a teacherYes, I am/ No, I am not.Are you studentsYe

3、s, we are / No, we arent.肯定式否定式1 amKmIm not.you are -youreyoure not. / you arenthe isTheshes not. / he isnt she isTshesshes not / she isntIit is -ifsits not. / it isnt.we are- werewere not. / we arent they are- theyretheyre not / they we are nt Is he a workerYes, he is. / No, he isnt.eg: rm a boy.Im

4、 not a nurse.Youre ten years old.Youre not our classmates.I用am, you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。課堂習題用am, is, are填空1. WhoI Ia boy. you a boy No, Inot.2. The girlJacks sister。3. The dogtall and fat.4. The man with big eyesa teacher5. your brother

5、 in the classroom6. Whereyour mother Sheat home.7. How your father8. Mike and Liu Taoat school9. Whose dressthis10. Whose socks they?12. WhoI（復(fù)數(shù)）not（縮略形式）6. itl（完整形式）_ 8. they,re（完整形式）寫出下列詞適當形式：am （縮略形式）are （縮略形式）not （縮略形式）s（完整形式）按要求完成句子brother is a teacher.否定句:_般疑問句:回答：Iare his parents否定句:_般疑問句:回答：?m 14 years old.否定句:_般疑問句:回答：ruler is o