七年级英语上册语法专项练习题一、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 nit 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)用联系动词be(am、is、are)的正确形式填空。1. you from?