YOU SAID:
When pigs fly, pigs will fly.
INTO JAPANESE
豚が飛ぶ、豚が飛んでくる。
BACK INTO ENGLISH
Flying pigs, pigs will fly.
INTO JAPANESE
空飛ぶ豚、豚が飛ぶ。
BACK INTO ENGLISH
Sky flying pig, pigs will fly.
INTO JAPANESE
空飛ぶ豚、豚は飛ぶでしょう。
BACK INTO ENGLISH
Sky will fly flying pig, pig.
INTO JAPANESE
空飛ぶ豚、豚を飛行します。
BACK INTO ENGLISH
Sky flying pig, pigs will fly.
INTO JAPANESE
空飛ぶ豚、豚は飛ぶでしょう。
BACK INTO ENGLISH
Sky will fly flying pig, pig.
INTO JAPANESE
空飛ぶ豚、豚を飛行します。
it is unlikely that this phrase will ever reach equilibrium