be動(dòng)詞有哪些分別怎么用

1、be動(dòng)詞的用法包括一般形式am、is、are.主語(yǔ)為第一人稱(chēng)我”時(shí)用am.主語(yǔ)為第二人稱(chēng)時(shí) 用are.主語(yǔ)是xx人稱(chēng)時(shí)用is。第三人稱(chēng)單數(shù)有哪些：1. 第三人稱(chēng)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(chē)。This is my book.這是我的書(shū)。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(gè)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(chēng)單數(shù)。如：There is some money in the purse.在錢(qián)包里有些錢(qián)。5. 當(dāng)數(shù)字或字母作主語(yǔ)時(shí)，看作第三人稱(chēng)單數(shù)。女口：“ 6” is a lucky number.是個(gè) xx 數(shù)字?！?I ” is a letter是個(gè)字母。“ I ”數(shù)字的加、減、乘、除的結(jié)果常被看作第三人稱(chēng)單數(shù)。女口： What is one and two? 一加二等于幾？Eight mi nus five is three.丿八減五等三。B

3、e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(wèn)，往前提，句末問(wèn)號(hào)xx丟棄。 變否定，更容易，be后notxx忘記。 疑問(wèn)否定任你變，句首大寫(xiě)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.am

4、8. How oldyour teacher?A.beB.amC.is9. Whereher mother?A.areB.isC.am10. Eric and Kathymy stude nts.A.areB.isC.am11. Your booksn ot goodAisB.areC.be12. Hea boy A.beB.amC.is13. Itmy dogAisB.areC.be14. Whose socksthey?A.areB.isC.am15. there any chairs in the classroom. A. IsB. AreC. Am16 .The man with b

5、ig eyes a teacher. A.beB.amC.is17. Howyour father?A.isB.areC.be18. Mike and Liu Taoat school.A.areB.isC.am19a stude nt.A.beB.amC.is20. Theyteachers.A.isB.areC.be21. Thismy mother.A.areB.isC.am22. you a stude nt? Y es,I am.A.AmB.IsC.Are二. 寫(xiě)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 （縮略形式）4.are not縮略形式）5.

6、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(wèn)句1. His brother is a teacher.否定句：一般疑問(wèn)句：2. Those are his pare nts.否定句:一般疑問(wèn)句：3.1 m 14 yseald.否定句：一般疑問(wèn)句：4. The ruler is on the table.否定句：一般疑問(wèn)句：5. Tom is my teacher .否定句：一般疑問(wèn)句：6. My shoes are 20 yua n .否定句：一般疑問(wèn)句：7. This is a pen .否定句：一般疑問(wèn)句：8. My n ame is An dy.否定句：一般疑問(wèn)句：9. We are twins.否定句:一般疑問(wèn)句：1O.He is my brother.否定句：一般疑問(wèn)句：11am a teacher.否定句：一般疑問(wèn)句：12.She is my mother.否定句：一般疑問(wèn)句：13.