YOU SAID:

i like to watch ducks play in the pond

INTO JAPANESE

アヒルが池で遊ぶのを見るのが好きです

BACK INTO ENGLISH

I like to see ducks playing in the pond

INTO JAPANESE

アヒルが池で遊んでいるのを見るのが好きです

BACK INTO ENGLISH

I like to see ducks playing in the pond