be known for 常常接名詞，很少接動名詞。不可以接to do 不定式

for 是因為sth
to 是+對象
He is known/famous for his works.
他因他的作品而出名。
He is known/famous to the word.
他聞名於世界

①be known for

用法：因...聞名。

例句：

Get to France, see world to be known for the Ai non-Er iron pagoda.到法國，看看世界聞名埃非爾鐵塔。

②.be known to

用法：為...所知。

例句：

Whatever lay beyond would not be known to me.不管死後怎樣我都不會知道了。

應該接動名詞 doing。但是在實際用法中，be known for 常常接名詞，很少接動名詞。動詞不定式無論如何是錯誤。