You don't use a comma to show possession at all (for example, "Shirley,s mug.") You use an apostrophe ("Shirley's mug"), and it does come before the s. If there's more than one Shirley ("I'm going to the Shirleys' house to get my mug"), the apostrophe comes after the s.
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.