Be动词专项讲解和练习.doc

Be动词专项讲解和练习一、语法讲解：1、含义：be 动词的意思为“是”或者“在”，表示一般性的状态它包括三个形式：am, is, are ，具体用法口诀：I 用 am，you 用 are，其他就看单复数，单数 is 复数 are。疑问句，用哪个，要到后面找主语。例句：I am happy. 我很快乐。 You are a beautiful girl. 你是一个美丽的女孩。 He is in the supermarket. 他在超市里。 Tom and Mike are playing football. 汤姆和迈克正在踢足球。缩写形式：I am = Im You are = Youre We are = Were They are = Theyre He is = Hes She is = Shes It is = Its is not = isnt are not = arent （注意：am not 没有缩写形式，肯定回答时不能缩写）2、变句型口诀：变否定，很容易，be后not别忘记； 变疑问，be提前，句末问号莫丢弃； 否定疑问随心变，句首字母要大写。 注：变疑问句时：I am 变为Are you my, our 变为 your some 变为 any （一些）例句：I am happy. 否定句 I am not happy. You are a beautiful girl. 一般疑问句 Are you a beautiful girl? My name is Andy. 特殊疑问句 What is your name?3、带be 动词的其他句式（1）This（这个）That（那个）做主语时，谓语用isThese（这些）Those（那些）做主语时，谓语用 are注：变句型时，回答要用it 或者 they如： This is an eraser. 这是一块橡皮。否定句：This is not an eraser. 这不是一块橡皮。一般疑问句：Is this an eraser? 这是一块橡皮吗？回答：Yes, it is. / No, it isnt. These are crayons. 这些是蜡笔。否定句：These are not crayons. 这些不是蜡笔。一般疑问句：Are these crayons? 这些是蜡笔吗？回答：Yes, they are. / No, they arent.（2）Here（这里）做主语时，谓语要看后面名词的单复数，单数用is，复数用are，如：Here is a book for you. 这有一本书送给你。 Here are some peanuts for you. 这有一些花生送给你。（3）There be 句型：一般表示某地有某物，翻译为“有”，谓语动词根据后面紧挨着的第一个名词的单复数来决定（就近原则），单数用is，复数用are。 例句：There is a pencil and some books in my schoolbag. 在我的书包里有一支铅笔和一些书。There are some books and a pencil in my schoolbag. 在我的书包里有一些书和一支铅笔。注：变句型时，回答主语仍为there 如： There is a knife on the desk.否定句： There is not a knife on the desk.一般疑问句：Is there a knife on the desk?回答：Yes, there is. / No, there isnt.4、带有be动词的特殊疑问句（对划线部分提问）特殊疑问词+be动词+主语+其他特殊疑问词包括：（1）单独疑问词：what什么，who谁，when什么时候，where在哪里，how怎么样，why为什么（2）组合疑问词：what color什么颜色，how old多大年纪，how many多少，how much多少钱对划线部分提问要根据划线部分的内容来选择特殊疑问词，对事或物提问用what，对人提问用who，对时间提问用when，对地点提问用where，对状态和交通方式等提问用how，对原因提问用why具体句式：特殊疑问词+一般疑问句的句式（划线部分去掉）如：Lucy is watering flowers in the garden. What is Lucy watering in the garden?Lucy is watering flowers in the garden. Who is watering flowers in the garden?Lucy is watering flowers in the garden. Where is Lucy watering flowers?默写be动词的三个形式： 我是： = 他是： = 他们是： = 二、练习am, is, are 选择填空：（不可数名词：tea，water等等，谓语动词要用单数形式is）1. I _ a boy. _ you a boy? No, I _ not.2. The girl_ Jacks sister.3. The dog _ tall and fat.4. The man with big eyes _ a teacher.5. _ your brother in the classroom?6. Where _ your mother? She _ at home.7. How _ your father?8. Mike and Liu Tao _ at school.9. Whose dress _ this?10. Whose socks _ they?11. That _ my red skirt.12. Who _ I?13.The jeans _ on the desk.14.Here _ a scarf for you.15. Here _ some sweaters for you.16. The black gloves _ for Su Yang.17. This pair of gloves _ for Yang Ling.18. The two cups of milk _ for me.19. Some tea _ in the glass.20. Gao shans shirt _ over there.21. My sisters name _Nancy.22. This _ not Wang Fangs pencil.23. _ David and Helen from England?24. There _ a girl and two cats in the room.25. There _ some apples on the tree.26. _ there any kites in the classroom?27. _ there any apple juice in the bottle?28. There _ some bread on the plate.29. There _ a boy, two girls, three men and ten women in the park.30. You, he and I _ from China.变句型：1. I am good at running.否定句： 一般疑问句： 回答： 2. Bill is writing an e-mail.否定句： 一般疑问句： 回答： 3. My mother is cooking dinner.否定句： 一般疑问句： 回答： 4. There are some chairs in my classroom.否定句： 一般疑问句： 回答： 5. Binbin and Andy are flying a kite.否定句： 一般疑问句： 回答： 6. This is a cute bird.否定句： 一般疑问句： 回答： 7. My grandfather is watching TV.否定句： 一般疑问句： 回答： 8. My sister is good at singing.否定句： 一般疑问句： 回答： 对划线部分提问：1. Mary is at the zoo. 2. I am eating breakfast at 7:00. 3. There are five birds in the tree. 4. My brother is ten years old. 5. I am at the bookshop with my mother. 6. My name is Lily. 7. They are playing basketball. 8. That is a schoolbag. 9. The ball is black. 10. My home is near my school. 句型转换（填空题）：1. I am good at roller skating.（变一般疑问句） good at roller skating?2. Those are some crayons. （变否定句） crayons.3. Bill is at the hamburger shop. （对划线部分提问） is Bill?4. Are the boys playing football？ （做肯定回答） Yes, .5. There is some water in the bottle. （变一般疑问句） water in the bottle？6. Is that your eraser?（做否定回答） No, .7. My aunt is thirty years old. （对划线部分提问） is aunt?8. My father is good at basketball. （变一般疑问句） father good at basketball?翻译句子：1. 你擅长英语吗？不，我不擅长。2. 这是我的哥哥。他又高又大。3. Joy是我的好朋友。她很漂亮。4. 这是你的铅笔吗？不，它不是。5. 我的妈妈是一名老师。6.