beingdone和tobedoing的区别比如说thequestionisbeingdiscussedthequestiontobebeingdiscussed可以像第二个这么说么?tobebeingdone应该是是不定式被动语态的进行时两种表达的意思一样么?

　　beingdone和tobedoing的区别

　　比如说thequestionisbeingdiscussed

　　thequestiontobebeingdiscussed

　　可以像第二个这么说么?tobebeingdone应该是是不定式被动语态的进行时

　　两种表达的意思一样么?