YOU SAID:

I'm gonna take my horse

INTO JAPANESE

私は馬に乗るつもりだ

BACK INTO ENGLISH

I will ride a horse

INTO JAPANESE

私は馬に乗る

BACK INTO ENGLISH

I ride a horse

INTO JAPANESE

私は馬に乗れる。

BACK INTO ENGLISH

I can ride a horse.

INTO JAPANESE

私は馬に乗れる。

BACK INTO ENGLISH

I can ride a horse.