Either a period ( . ) or an ellipsis ( . . . ) will go after 'etc' .
No, a comma does not go before the word 'in'.
There is no word in English that necessarily requires a comma.
Not necessarily. There is no word in English that requires a comma before or after it.
no
No. There is no rule that a comma must always follow the word "which." In a parenthetical or appositive phrase, however, a comma may be required.Example:I did what I thought was right which, as I came to find out, was not.
Not necessarily. Commas are a feature of sentence structure. There is no word or phrase in English that requires a comma.
There is no word in English that necessarily requires a comma. Commas are features of the sentence. Sometimes a comma may go before if, for example when it introduces a new clause: We will wear rain-gear, if it becomes necessary. And sometimes a comma may go after if, for example in this sentence, when another thought is inserted into the structure. Generally there is no comma with if.
yes
Before
no
The comma goes before the word "but." For example: I was going to spell the word "comma" right, but then I fell into a coma.
Yes, because there is a pause.