精选优质文档-倾情为你奉上 七年级英语上册总复习辅导与练习(一)一、be(am、is、are)的基本用法,区别及其引导的一般疑问句和回答。am接在I之后,is放在单数的名词或代词之后,are放在复数的名词或代词之后,否定句在be后加not,一般疑问句将be提前。回答:Yes,人称代词+ be./ No, 人称代词+be + not. 如:1) He is Mr. Chen. He is not Mr. Chen. - Is he Mr. Chen? - Yes, he is. / No, he isnt.2) I am a student. I am not a student. - Are you a student? - Yes, I am. / No, I am not.3) They are teachers. They are not teachers.- Are they teachers? - Yes, they are. / No, they arent.练习:(一)用连系动词be( am