请问：be pround to do 的意思是什么?

请问：be pround to do 的意思是什么? be pround that的意思? be/feel pround 后要加什么?be/feel pround ＋to do sth&be/feel pround ＋of doing sth 哪个对?还是都对?那应该是在什么情况下用的?（我只要有悬赏问题就不会出现…我因为这都丢了好多分了…所以只好追加 请问be meant to do ,mean to do的区别 be pround 写出意思 请问be to do.be about to do.be going to do.will do用法的区别. 请问be free to do be Pround of 同义短语 请问有be to do的用法吗? pround的意思 请问be heard to do/do/doing之间的区别以及是否存在be heard do 的说法 be to do,be going to do,will do,be about to do的区别. be adle to do sth与can do sth的区别请问be adle to do sth与can do sth有什么区别? 请问be worthy of doing sth.等于be worthy to do意思是一样的吗? be to do,be about to do,determine to do sth.的意思是什么be going to do ,,,be made to do ,,,be use to do ,,,be worth to do ,,,be willing to do ,,,hope to do 的意思呢? be to do & be about to do的区别 be to do和be going to do的区别 be to do与be gonging to do的区别