there be...doing/there be...to do

there be...doing/there be...to do there be...to do there be...doing（动名词、现分） there be...done 分别 there be doing 和there be to do哪个是表示经常性的? There be doing there be to do 的区别和用法 there be doing造句 there be+doing there be sb doing There be sth to do?和There be sth done? There be+名词＋doing与There be+名词＋to do句型中doing和to do是否是在此种句型中作后 there is something to do 还是doing 就是应该遵守be doing 还是不定代词加to do there be sb/sth 后什么时候加to do \doing \过去分词 there be doingのto do区别,要例子,重重重!