精选优质文档-倾情为你奉上 一:be动词也叫系动词(am is are)am:只用于第一人称“I”(我)例: I am a student.is:用于第三人称单数“he,she,it ” 人名:Mary,CoCo,Mark. 称呼:dad,mum,father,grandpa,grandma,my brother,sister. 单数名词:car,cat,book.are:用于第二人称:you(你) 复数人称:we(我们) you(你们) they(他们) 复数名词:books,cats,fishes.练习一:填上对应的Be动词1. I_good at maths.2. Tim_good at English.3. Mum_ cooking in the kitch