精选优质文档-倾情为你奉上仁爱版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 isntt.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.二、可数名词的复数：（1）规则变化1）一般在名
