YOU SAID:

grandfather stand on the shoulders of my father while he is deep sea fishing

INTO JAPANESE

祖父は深海で釣りをしている父の肩の上に立っている

BACK INTO ENGLISH

Grandfather stands on the shoulders of his father who is fishing in the deep sea

INTO JAPANESE

祖父は深海で釣りをしている父親の肩に乗っています

BACK INTO ENGLISH

Grandfather is on his father's shoulders fishing in the deep sea

INTO JAPANESE

祖父は父の肩に乗って深海で釣りをしている

BACK INTO ENGLISH

Grandfather is fishing in the deep sea on his father's shoulder

INTO JAPANESE

祖父は父の肩に乗って深海で釣りをしている

BACK INTO ENGLISH

Grandfather is fishing in the deep sea on his father's shoulder