be動詞有哪些分別怎么用

1、1/ 6be 動詞的用法包括一般形式am、is、are.主語為第一人稱我”時用am.主語為第二人稱時 用are.主語是xx人稱時用is。第三人稱單數(shù)有哪些：1.第三人稱單數(shù)代詞有：he, she, it。女口：How old is she?她多大了？Is he at home today?今天他在家嗎？Is it your cat?這是你的貓嗎？2.指示代詞this, that。女口：Thats a Ch in ese car.那是輛xx小汽車。This is my book.這是我的書。3.單數(shù)可數(shù)名詞。如：Lucy, a cat, my book, an oran ge, the ba等。

2、 女口：Lucy is a good girl.露西是個好女孩。Her father is a teacher.她爸爸是教師。4.不可數(shù)名詞可被看作第三人稱單數(shù)。如：There is some money in the purse.在錢包里有些錢。5.當(dāng)數(shù)字或字母作主語時，看作第三人稱單數(shù)。女口：“6”is a lucky number.是個xx數(shù)字?！癐”is a letter是個字母?！癐”數(shù)字的加、減、乘、除的結(jié)果常被看作第三人稱單數(shù)。女口：What is one and two?一加二等于幾？2/ 6Eight mi nus five is three.丿八減五等三。Be動詞的用法口訣

3、：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xx丟棄。 變否定，更容易，be后notxx忘記。 疑問否定任你變，句首大寫莫遲疑。 一選擇1.SheMiss He.A.beB.amC.is2.Isorry.A./B.amC.are3.Heremy ball.A.isB.areC.am4.Younu mber eight. A.areB.isC.am5.Whatthis？A.isB.areC.be6.Hele na stude nt.A.beB.amC.is7.Thoseoran ges.A.isB.areC.am8. How old

4、your teacher?A.beB.amC.is9. Whereher mother?A.areB.isC.am10. Eric and Kathy_ my stude nts.A.areB.isC.am11. Your books_ n ot goodAisB.areC.be12. He_ a boy A.beB.amC.is13. It_ my dogAisB.areC.be3/ 614. Whose socks_they?A.areB.isC.am15. _ there any chairs in the classroom. A. IsB. AreC. Am16 .The man w

5、ith big eyes_ a teacher. A.beB.amC.is17. How_ your father?A.isB.areC.be18. Mike and Liu Tao_at school.A.areB.isC.am19_a stude nt.A.beB.amC.is20. They_teachers.A.isB.areC.be21. This_ my mother.A.areB.isC.am22. _ you a stude nt? Y es,I am.A.AmB.IsC.Are二. 寫出下列詞適當(dāng)形式：1.I am （縮略形式）_2.is復(fù)數(shù)）_3._ we are （縮略形

6、式）_ 4.are not縮略形式）5.is not （縮略形式）_ 6.can not縮略形式）_7.shes（完整形式）_8.its（完整形式）_9.theyre（完整形式）_ 10.dont（完整形式）_三. 將下列句子變成否定句和一般疑問句1. His brother is a teacher.否定句：一般疑問句：2. Those are his pare nts.4/ 6否定句:一般疑問句：3.1m 14 yseald.否定句：一般疑問句：4. The ruler is on the table.否定句：一般疑問句：5. Tom is my teacher .否定句：一般疑問句：6. My shoes are 20 yua n .否定句：一般疑問句：7. This is a pen .否定句：一般疑問句：8. My n ame is An dy.否定句：一般疑問句：5/ 69. We are twins.否定句:一般疑問句：1O.He is my brother.否定句：一般疑問句：11am a teacher.否定句：一般疑問句：12.She is my mother.否定句：一般疑問句：