Is it possible and grammatical to say the following:<br/><br/>Let's say this made sense:<br/><br/>How cold does it have to get before the animal won't die.<br/><br/>or would you use "so"<br/><br/>How cold does it have to get so the animal doesn't die.<br/><br/>or <br/><br/>How cold does it have to get for the animal not to die.<br/><br/>I'm asking this as I came across this following sentence:<br/><br/>What proof does alcohol have to be before it won't freeze.<br/><br/>What does you think of BEFORE here and does it makes sense?<br/><br/>or would you use SO or FOR?<br/><br/>Thank you