But is never used as a preposition.
You ussualy put a comma before the conjuction. On rare evernts you put the comma after.
Yes, you should put a comma before "as" when it is used as a conjunction in a sentence.
Yes, a comma is usually placed before the word "or" when joining two independent clauses in a sentence. This is known as the serial comma or Oxford comma.
Yes, when naming a state in a sentence, a comma should be placed after the city and before the state. For example: "I live in Chicago, Illinois."
If I remember correctly you put it before, but my memory isn't quite what it used to be.... lol
The comma goes after.
Do not put a space before a comma. Put one space afterthe comma.
no. if but before is a sentence on its on and after but is a sentence on its own then put a comma before but.
before
You ussualy put a comma before the conjuction. On rare evernts you put the comma after.
No, you don't have to put a comma before at all.
no
no
Yes, you should put a comma before "as" when it is used as a conjunction in a sentence.
no
No.
The best guide is to put a comma when there is a short gap between the words when spoken.