YOU SAID:

my uncle mowes my tuna

INTO JAPANESE

私の叔父は私のマグロを刈る

BACK INTO ENGLISH

My uncle mows my tuna.

INTO JAPANESE

私のおじは私のマグロを刈る。

BACK INTO ENGLISH

My father mows my tuna.

INTO JAPANESE

父は私のマグロを刈ります。

BACK INTO ENGLISH

My father mows my tuna.