Not necessarily. It depends on the context. If you think in terms of placing a comma after a word, rather than before one, it might be helpful.
NO
no
The comma should come before the word "but" when it is used to separate two independent clauses. For example: "I wanted to go to the store, but it started raining."
Yes, you should use a comma before "Jr." when writing a person's name to separate the person's last name from the suffix. For example, "John Smith, Jr."
In a company name such as "ABC Corp," do not use a comma. However, use a comma in the formulation, "ABC, Inc."
Not necessarily. A comma indicates a pause in speech, or separates ideas for clarity. Where there is no pause and no possible confusion there should be no comma.
A comma before "and" depends on the context. Use a comma before "and" in a list of items (e.g., red, blue, and green). However, do not use a comma before "and" when it connects two independent clauses unless it is needed for clarity or to avoid confusion.
You generally use a comma before "and" only if it is separating two independent clauses in a sentence. Otherwise, you most often do not need a comma before or after "and" when it is used to connect items in a list or to join words or phrases in a sentence.
No of course not!only when you have run on sentences.
A comma should typically come before the word "but" when it is used to connect two independent clauses. If "but" is used to join two elements within a single clause, then a comma is usually not necessary.
before
A comma should be used before the word "but" when it is connecting two independent clauses in a sentence. If "but" is joining two words or phrases within a single clause, then a comma is not necessary.