there be后面必须跟doing吗

there be后面必须跟doing吗 before后面必须跟doing吗? There be 后面的动词只能是doing吗? there will be 后面可以跟名词吗?举例下 there will be 后面跟什么 There be后面可跟的动词 there are 后面跟doing还是to doto do比如说there are sb.{ doing be addicted to 后面跟doing 还是do help oneself 后面可以跟doing吗? there be +sb+doing there be sb doing other 后面必须跟复数名词吗? want后面必须跟to吗?为什么? 什么单词后面必须跟doing sth?比如enjoy还有什么? deny后面必须是doing吗,不能to do be worth to do还是be worthy to do后面只能跟doing？ be surprised to do sth为什么be后面不跟doing? 哪些词后面跟doing