am,is ,are 的用法.doc

一、be动词用法口诀：“我”用am，“你”用are，is用于“他、她、它”。 注解：（1）am和I连用，如：I am a student. Am I a good student? （2）are和you连用，如：You are a good student. Are you a teacher? （3）is和he, she, it或能用“he, she, it”来代替的词来连用，如： He/She/It is in the classroom. Is he/she/it in the classroom? This/That is a pencil. Is this/that a pencil? My father is a teacher. My brother is a student. Is your mother a teacher?二、含有be动词（am, is, are）的句子1、 肯定句：人/物 + am/is/are + 其它. I am a student. You are a good student. He/She/It is in the classroom. This/That is a pencil. My father is a teacher.2、 否定句：人/物 + am/is/are + not + 其它.（在肯定句中的am/is/are后面加not） I am a student. I am not a student. You are a good student. You are not a good student. He/She/It is in the classroom. He/She/It is not in the classroom. This/That is a pencil. This/That is not a pencil. My father is a teacher. My father is not a teacher. 注解：is not可以缩写成isnt，are not 可以缩写成arent，am not不能缩写。3、 一般疑问句：Am/Is/Are + 人/物 + 其它? （把肯定句中的am/is/are移到句子前面） I am a student. Are you a student?（I改成you, am改成are） You are a good student. Am I a good student? （you改成I, are改成am） He/She/It is in the classroom. Is he/she/it in the classroom? This/That is a pencil. Is this/that a pencil? My father is a teacher. Is your father a teacher?（my改成your）4、 一般疑问句的回答 （1）肯定回答：Yes, I am. Yes, he/she/it is. Yes, you are. Are you a student? Yes, I am. Am I a good student? Yes, you are. Is he/she/it in the classroom? Yes, he/she/it is. Is this/that a pencil? Yes, it is. Is your father a teacher? Yes, he is. （2）否定回答：No, Im not. No, he/she/it isnt. No, you arent. Are you a student? No, Im not. Am I a good student? No, you arent. Is he/she/it in the classroom? No, he/