to be done 与 to doing

to be done 与 to doing to be done=doing? want to be done与want doing的区别 being done 和 be doing ;done ；doing ; be done ;to be done 的用法 为什么有doing=to be done need doing 和need to be done be worth doing 与be worth to be done的区别? 英语 区分 doing to和 be doing,being done 和 to be being done . need to be done与need to doing的区别是什么? 怎么区分谓语动词,to do doing done 和to be doing to be done to have do be worth doing等于be worth to being done吗 to do / to be doing / to have done / to have been doing/doin