YOU SAID:

Because I went skiing I farted in my face

INTO JAPANESE

私はスキーに行ったので、私は私の顔で怒った

BACK INTO ENGLISH

I got angry with my face as I went skiing.

INTO JAPANESE

私はスキーに行くと、私は私の顔に怒った。

BACK INTO ENGLISH

I got angry at my face as I went skiing.

INTO JAPANESE

私がスキーに行くと、私は私の顔に怒った。

BACK INTO ENGLISH

I got angry at my face as I went skiing.