be sure for有没有这种用法?

be involved for 表示什么 ,有这种用法吗 到底有没有mind to do 这种用法.if you are sure ,please tell me 有没有Kindly be noticed that.这种起句用法 think sb to be有没有这种用法? be sth terrified of doing有没有这种用法 有没有 look to be +adj这种用法的 有没有 be worrying about的这种用法? think sb to do/be有没有这种用法, 请问有没有need to be doing sth这种用法 有没有“be lack of”这种用法?试举一例, 有没有afford sometime for something这种用法? sure的用法be sure of doing和 be sure to do有什么区别呀?