YOU SAID:
There were seven ducks inside the dock. One ducked out, then there were six ducks.
INTO JAPANESE
ドックの中には7頭のアヒルがいました。 1人は逃げ出し、6人のアヒルがいました。
BACK INTO ENGLISH
There were seven ducks in the dock. One ran away and there were six ducks.
INTO JAPANESE
ドックには7頭のアヒルがいた。 1人は逃げ出し、6人のアヒルがいました。
BACK INTO ENGLISH
There were seven ducks in the dock. One ran away and there were six ducks.
That didn't even make that much sense in English.