YOU SAID:
there is a leek in my boat
INTO JAPANESE
私のボートにはネギがあります
BACK INTO ENGLISH
my boat has leeks
INTO JAPANESE
私のボートにはネギが入っています
BACK INTO ENGLISH
I have leeks in my boat
INTO JAPANESE
私のボートにはネギが入っています
BACK INTO ENGLISH
I have leeks in my boat
You've done this before, haven't you.