YOU SAID:
I’m going to put the baby down
INTO JAPANESE
私は赤ちゃんを置くつもりです
BACK INTO ENGLISH
I will put a baby
INTO JAPANESE
私は赤ちゃんを置く
BACK INTO ENGLISH
I put the baby
INTO JAPANESE
私は赤ちゃんを置く
BACK INTO ENGLISH
I put the baby
That didn't even make that much sense in English.