TO BE是什么语法结构?

TO BE是什么语法结构? to be frank 在语法上是什么结构? Don't be shy是什么语法结构? to be fixed up a little不定式加ed,这是什么语法结构? to be+Location是什么结构? More car pools should be formed in order to have fewer cars on the road and to use less gasoline.请解释此句语法结构请解释should be 是什么语法结构,为什么句子用should be 结构 to be the Which sign is considered by the Chinese to be the best?to be the best 在这里的语法结构是什么? how many gorillas would there have to be in order for the species to be considered safe中的两个to be是什么语法结构, only to be told 是什么语法 动词过去式+to+be是什么语法?比如 used to be This better be good请问这句是什么语法结构? there will be building a park是什么语法结构啊 the truth to be told 的语法结构是什么?我不知道中间为什么用TO而且为什么用被动结构? 求一个句子的语法结构分析He will do everything he could to be worthy of the faith and trust of the people.请问里面的he could ,还有 to be worthy of ...分别是什么语法结构? to be honest ,wo have sold out .1,整句意思2,时态,语法结构,以及关键词 3,to be honest 与 franklly speaking 的区别是什么! i am grateful to be employed by you.请问to be的语法结构 More car pools should be formed in order to have fewer cars on the road and to use less gasoline.请解释should be 是什么语法结构,为什么句子用should be 结构 There be 结构.以及语法