YOU SAID:

if you liked him, then you should have put a ring on it

INTO JAPANESE

あなたが彼を好きならする必要がありますがそれを置くリング

BACK INTO ENGLISH

Ring put it should be if you like him

INTO JAPANESE

彼を好めばそれを置くリングをする必要があります。

BACK INTO ENGLISH

You need to put it if you like his ring.

INTO JAPANESE

彼のリングのような場合にそれを置く必要があります。

BACK INTO ENGLISH

You must put it in the case of his ring.

INTO JAPANESE

彼のリングの場合、それを置く必要があります。

BACK INTO ENGLISH

His ring, it should.

INTO JAPANESE

彼のリング、それはする必要があります。

BACK INTO ENGLISH

His ring, it should.