一般现在时中be动词的使用

一般现在时中be动词的使用一be动词：动词be (am, is, are)说明身份、年龄、状态等I am a teacher.I am 21 years old.Im very healthy.二、be动词的人称变化：第一人称I，后面的动词用am;第三人称he/she/it, 后面的动词用is;第一人称复数we, 第二人称you, 第三人称复数they，后面的动词用are.三、be 动词在一般疑问句和否定句中的表达：- Are you the student from Class Two?- No, Im not.- Is he Canadian?- No, he isnt.- Are they fond of pop music?- No, they arent.从上面例句中可看出，动词be一般现在时的一般疑问句中把be提到句首，它的否定句式是在be后直接加not。四、be 动词的具体使用：1be + 形容词Im very tired.He is handsome and smart.The vegetables are fresh.Its hot today.The traffic is always heavy.The book is interesting.My trip to Paris is exciting.Their opinion is different from mine.She is kind enough to help me out.My room is rather small.The stories in the book are scary.Sue and Sam are friendly to me.2. be + 名词They are my close friends.She is a nice girl.They are baseball players.Thats a good idea.Moscow is a busy city.They arent my notebooks.I am a patient teacher.Cindy is a housewife.Jake is an engineer.Both of her parents are scientists.3. be + 介词短语The flowers are in the vase.She is at home now.Are they from Russia?The teacher and the students are in the classroom.Mark is in front of the room.4. be + 形容词短语My holiday is long enough.They are tired and hot.5. be +副词The game is over.Im home.They are abroad.Whats up?Time is up.She will be around here.6. 用于表示时间：Today is Sunday.The next match will be at 7.The following holiday is National Day.The business hour is from 9 a.m. to 6 p.m.7. 用于现在进行时：Peter is running in the heavy rain.We are leaving here next Monday.Im coming to see you.They are taking notes in class.练习：一、阅读下面短文并回答问题：Robert BrownRobert Brown is a student. He is from Italy. He is 21 years old. He studies English every day. Peter is his teacher. Peter is a good teacher. He is kind and patient. Robert and Peter are in the classroom now. They are busy. Peter is at the board. Robert is at his desk. Robert likes his classroom. It is a small room. It is clean and pleasant. The classroom is in a large building.（一）用完整句子回答问题：e.g. Is Robert a student? No, he isnt a student.1. Is Peter a good teacher?2. Are Robert and Peter in the classroom now?3. Are they busy?4. Is Robert at the board?5. Is Peter near the window?6. Is the classroom in a small building?7. Is it a small room?8. Where is Robert from?9. How old is Robert?10. Where are Robert and Peter now?（二）用动词is和are填空：Robert Brown _ a student. He is from Italy. He _ 21 years old. He studies English every day. Peter _ his teacher. Peter _ a good teacher. He _ kind and patient. Robert and Peter _ in the classroom now. They _ busy. Peter _ at the board. Robert _ at his desk. Robert likes his classroom. It _ a small room. It _ clean and pleasant. The classroom _ in a large building.二、用动词am, is, are完成下列句子：1. Jenny _ a good-looking girl.2. My friends _ in the library now.3. Pairs _ beautiful at night.4. Her hometown _ a small village.5. _ you from Italy?6. They _ interested in history.7. The Summer Camp _ exciting.8. _ Judy at home?9. Tonys parents _ patient and thoughtful.10. The car _in the garage now.11. My mother and I _ fond of light music.12. My neighbors _ kind to me.13. Math _ difficult for me to learn well.14. Those chairs _ not comfortable.15. She _ shy and silent.16. The bookstore and the cinema _ on the left.17. Class _ over.18. The leaves _ brown in autumn.19. His hobby _ playing tennis.20. They _ twin sisters.21. The dictionary _ English-English dictionary.22. Her job _to clean the floor.23. His hair _ curly and fair24. The Canadian teachers _ in the meeting hall.25. They _ diff