内容正文:
Grammar - 人称代词主格与be动词的关系 人称 数 单数 复数 第一人称 我 我们 第二人称 你 你们 第三人称 他 他们 她 她们 它 它们 be动词随着主语的变化而变化 be动词的变化(一般现在时):be口诀 be妈妈,三个“儿”,is, am, are, 乖乖儿 一个句子一个儿 I用am, you用are,we和they也都用are is 连着he, she, it 不可数三单爱is,复数名词喜欢are 改疑问,儿在前;改否定,not放在儿后面 疑问否定任你变 句首大写莫迟疑,句末标点莫丢弃 be am 只有当主语是第一人称I才能用 。 例: I (be)a good student. I (be)beautiful. is 用于he / she / it / 名词单数 / 不可数名词 。 例: He (be)a good student. She (be)a teacher. It (be)a dog. The tea (be)hot. Betty (be)tall. are 用于we / you / 名词复数 。 例: You (be)a good student. They (be)not students. The books (be)new. 完全形式 缩写形式 练一练 I am I’m I am a girl. = we are we’re We are students. = you are you’re You are a boy. = you are you’re You are boys. = they are they’re They are cats. = he is he’s He is an actor. = she is she’s She is a singer. = it is it’s It is a bird. = is not isn’t It is not a bird. = are not aren’t We are not students. = am not 绝对没有缩写! I am not a teacher. = be动词专项练习(一) Name: 1、 用合适的be动词填空 1. 1 学科网(北京)股份有限公司 1. I a girl. 2. No, I not a girl. 3. She at home. 4. Hello, I Daming, She Kitty. 5. They doctors. 6. We students. 7. It very cute. 8. He an English teacher. 9. The tea hot. 10. The books new. 11. My brother a policeman. 12. Mike and Bob at school. 13. The teacher my mother. 14. Adam from China. 15. Some coffee in the glass. 16. The juice good. 17. My eyes big 18. The dog fat. 19. It yellow. 20. Oh, you tall, I short. 2、 选择题 ( )1. Look,she a beautiful girl. A. are B. is C. was D. am ( )2. There some milk in the bottle. A. is B. are C. be D. am ( )3. How you? A. are B. is C. were D. am ( )4. America a big country. A. was B. is C. isn’t D. is ( )5. we friends. A. am B. is C. are D. be ( )6. David my classmate. A. is B. are C. am D. were ( )7. My mother and sister at home. A. is B. are C. am D. was ( )8. My name Fan Chengcheng. A. are B. is C. am D. am not ( )9. The milk fresh. A. am B. are C. is D. were ( )10. They nurses. A. is B. am C. is D. be $$