YOU SAID:
Im going to beat my wife with a spanner
INTO JAPANESE
私の妻をスパナで殴るつもりです
BACK INTO ENGLISH
I will hit my wife with a spanner
INTO JAPANESE
私は妻をスパナで殴るだろう
BACK INTO ENGLISH
I will hit my wife with a spanner
That didn't even make that much sense in English.