YOU SAID:
a watch pot never boils
INTO JAPANESE
時計鍋は沸騰することはありません
BACK INTO ENGLISH
Watch pot will never boil
INTO JAPANESE
鍋が沸騰することはありません
BACK INTO ENGLISH
The pot does not boil
INTO JAPANESE
鍋は沸騰しない
BACK INTO ENGLISH
The pot does not boil
That didn't even make that much sense in English.