u don't. the word "but" is the same as pausing or changing direction mid-sentence. howerver, over the decades it has become acceptable to use both but is still not propper... lol (see what i did there?)
A comma causes a pause in a sentence and a period is a full stop. Never place a period where God has placed a comma.
True, you should have a space after a comma.
if you mean an apostrophe, it would be Tina's or for a comma you would just place the comma at the end of the person's name.
befor
Place the comma after the month and the day: August 15, 2012
What sentence If u r talking about the question u would say where is the place of comma in this sentence, than give the sentence
you place the comma after the city example Los Angeles,California
Yes, a comma is typically placed before a conjunction in a compound sentence or to separate items in a list.
You ussualy put a comma before the conjuction. On rare evernts you put the comma after.
When you put the comma in a wrong place.
Yes, it is a prepositional phrase.
Comma's are the hardest punctuation mark to place in a sentence. A comma can be placed after instead at the beginning of a sentence if the sentence is a continuation of the subject in the one before it.