一道英语小题 为什么是for there to be而不是there being?

一道英语小题 为什么是for there to be而不是there being? there being /there to be There_____no hurry,need there?为什么是need be 而不是need to be 为什么是there are something to do而不是to be done 是there be sth to be done还是there be sth being done? It is a pity for ________ (there being?there to be ) no answ in the school there are _____rules to be kept.为什么是填hard而不是en in the school there are _____rules to be kept.为什么是填enough而不是 There being no bus,he had to walk home.为什么用there be? there being 与there to be有何区别 关于there to be 和there being区别的疑问 A.there being B.there to be C.there be D.there been