Be动词的用法总结及专项练习

Be 动词的用法总结及专项练习 Be 动词的用法总结及专项练习 Be 动词的用法口诀 : be 动词am\is\are,我(I)用am，你(you)用are，is 连着他(he)，她(she)，它(it)； 单数名词用is，复数名词全用are。我们（we）你们（you）和他们（they）都用are;过去式am\is 变was,are 变 were;变疑问，往前提，句末问号莫丢弃。变否定，更容易，be 后not 莫忘记。 疑问否定任你变，句首大写莫迟疑。 一、Be 动词与人称代词的搭配 1、基本形式：am、are、is （1） am 第一人称I+am (注意：“I”无论何时都要大写，不管位于句首还是句中) 例：I am a beautiful girl. I am twenty. （2） are 第二人称you+are; 一人称复数we+are； 三人称复数they+are 其他复数名词+are (注意：第二人称单复数同形，都为 you) 例：You are my good friend. We are in the same class. They are on the road. The books are on the desk. (3 is 第三人称he(男) +is ; she(女)+is; it(不是人)+is;其他单数名词+is 例：He\She is a good student. It is a white cat. A dog is on that street. 2、肯定、否定、疑问（等于号后是简写） 肯定 否定——be 动词后加 not 一般疑问——be动词移到主语前 一般疑问否定 一般疑问回答 肯定和否定 I am… =I’m …. I am not…=I’m not ... Am I…? Am not I…? Yes,I’m. No,I’m not. You are…= you’re… You are not…=You aren’t… Are you…? Are not you. ..? =Aren’t you…? Yes,you are. No,you are not. She\He\It is…= She\He\It is not… =She\He\It isn’t… Is she\he\it…? Is not she\he\it…? =Isn’t she\he\it…? Yes,she\he\It is. No,she\he\It is not. We are=We’re We are not…=We aren’t… Are we…? Are not we…? =Aren’t we…? Yes,we are. No,we are not. They are=They’re They are not…=They aren’t Are they…? Are not they…? =Aren’t they…? Yes,they are. No,they are not. 例：I am(not) from London. My eyes are(not) small. My hair is(not) long. Am I a Chniese? 回答： 肯定：Yes, you are. 否定： No, you aren’t. Is the cat fat? 回答：肯定：Yes, it i...