come to do を英語に訳すと？

「～するようになる」だったら、後に置く動詞は状態動詞です。

I've come to realize she loves someone else.
I've come to think you are not as smart as you pretend to be.
I've come to believe ghosts are not our friends.

「～しに来た」だったら動作動詞置きます。

I've come to kill all the elephants in Japan.
He came to buy milk.
We have come to settle the score.

v