(be动词)the boy yous（）填什么?打错了，是yours

(be动词)the boy yous（）填什么?打错了，是yours 英语翻译1、Did you enjoy _____at yesterday's party?（you）yous e l f2、The boy is sitting in his seat _____.（quiet）quietly who the boy and the girl?----------they are my friends.请问who后应填什么be动词? 现在进行时：be doing 一定要加be动词吗 如：the litter boy【 】（play）with a car.是is playing还是playing Be动词能否作复合宾语的动词?有否Be动词作复合宾语的呢?例如:I found the boy is burning the tree. there be句型能不能出现动词原形例如There is a boy run on the road With后加系动词单数还是复数?The boy with his classmates (be) singing. The boy is Alan?一般疑问句不是 be动词在前么 the owner must be a boy（否定） the owner——be a boy The boy is like his father.里like为什么是介词不做动词?动词前好像也能加be的啊 the是不是be动词? each of the boy谓语动词用 where be结构的句子中如果是并列主语那be动词应用is还是areTHANKS!比如说Where_____(be) the boy and the girl? pat()a boy and Lily ()a girl(填be动词） 变被动句,主动句：They laugh at the little boy.注意动词的时态（laugh是原型，laughed是过去式）我不解的是既然是原型，为何无be动词？ The photos （ ） mine 加什么be动词The photos （ ） mine 加什么be动词 The room is（）.The boy put his toys everywhere.（tidy）动词填空! l () a girl,you () a boy 填写be动词.