Be动词和助动词的用法区别(共2页).docx

精选优质文档-倾情为你奉上1、的用法。beam / isare现在时waswere过去时单数复数英语中，选用单数还是复数，要由主语来定，主语是单数，就用单数，反之用复数。 句中含有时： 主语be 其他： 主语 be not 其他： Be 主语其他 ？ ： （what / who / when / where） be 主语 其他 ？ I am a teacher. You are right. She is 16 years old. My father is at home. The students are playing games. My teacher was ill yesterday. There is a picture on the wall. Th