I find _____ easy ______ ______to play the piano.

题目

I find _____ easy ______ ______to play the piano.
我认为学弹琴很容易

答案

i find it easy to learn to play the piano
it作形式宾语,因为实际宾语即后边那一大串句子太长,to learn 是动词不定式,在这句里可以认为表目的