l am happy to do sth 怎么看句子成分

l am happy to do sth 怎么看句子成分 能不能i am interesting to do sth?为什么 那为什么可以是i am happy to do sth?interesting和happy都是形容词啊, be happy （about）doing sth .be happy to do sth.哪个对? be happy to do sth中的sth是什么意思sth是不是读something的音 be happy to do sth比较好的翻译是什么? 英语语法常识I am happy to do sth中 To do sth 是主语补足语还是状语,还有,为什么有的句子中谓语是动词,有的动词前却加了个be动词. I plan to do sth和I am planning to do sth的区别 求大量常用的英语短语,不是什么i am happy 之类的,而是 make sb to do sth 这样,并带造句就更好了,· be happy to do sth和have a good time doing sth的区别 l am happy to play game 怎么看句子成分 I am happy to do it!I'd love to do so!I am irritating you!. be happy/surprised to do sth后面这个to do sth充当着什么语?如题 do sth to do I can go with you because l haven't _____.A.do sth B.sth do C.to do sth D.sth to do sb be adj to do sth.如i am happy to do this（或doing it） 这里面的不定式或分词作状语吗,做什么状语?懂的来有表语补足语这一说吗？ -Did you hear that we would have another teaching building ______ -l am happy to hear that.请问填built还是to be built?五三上的题,答案是后者.顺便问一下have sth to be 谁能告诉我这句句子中的错误在哪里,怎样改是正确的now l am want to be an engineer in the future有没有l am wanting to do sth 这种类型的句子? l'am very busy.l have l____ to do