YOU SAID:

If I went to a party and saw your mother's cow, it would be matrilineal and watermelons were the rain in the western hemisphere

INTO JAPANESE

私がパーティーに行ってあなたのお母さんの牛を見たら、それは母系であり、スイカは西半球の雨でした

BACK INTO ENGLISH

When I went to the party and saw your mother's cow, it was maternal, and watermelon was rain in the western hemisphere

INTO JAPANESE

私がパーティーに行ってあなたのお母さんの牛を見たとき、それは母方のもので、スイカは西半球で雨だった

BACK INTO ENGLISH

When I went to the party and saw your mother's cow, it was maternal and watermelon was raining in the western hemisphere

INTO JAPANESE

私がパーティーに行ってあなたのお母さんの牛を見たとき、それは母方でスイカは西半球で雨が降っていました

BACK INTO ENGLISH

When I went to the party and saw your mother's cow, it was maternal and watermelon was raining in the western hemisphere