YOU SAID:

she sell sea shells by the shore

INTO JAPANESE

彼女は海岸で海の殻を売る

BACK INTO ENGLISH

She sells the sea shell on the coast

INTO JAPANESE

彼女は海岸に海の殻を売っている

BACK INTO ENGLISH

She is selling sea shells to the coast

INTO JAPANESE

彼女は海の殻を海岸に売っている

BACK INTO ENGLISH

She is selling sea shells to the coast