The name by which you address somebody must be separated from the rest of the sentence by a comma (or commas).
Simon knows far more about court procedures, John.
"John" is being addressed; therefore, his name is separated from the rest of the sentence with a comma.
Simon knows far more about court procedures John.
The name by which you address somebody must be separated from the rest of the sentence by a comma (or commas).
Listen to me, mate.
The person is being addressed as "mate"; therefore, the word "mate" must be separated from the rest of the sentence with a comma.
Listen to me mate.
The name by which you address somebody must be separated from the rest of the sentence by a comma (or commas).
Tony and Emily lived in the middle of Manchester for 12 years.
Tony and Emily, lived in the middle of Manchester for 12 years.
Tony and Emily are not being addressed (i.e. they are not being spoken to directly). There is no need to separate their names from the rest of the sentence using a comma.
The name by which you address somebody must be separated from the rest of the sentence by a comma (or commas).
The format you have just been shown, Sarah, is the one you must use.
"Sarah" is being addressed; therefore, her name must be separated from the rest of the sentence with commas.
The format you have just been shown Sarah is the one you must use.
"John" is being addressed; therefore, his name is separated from the rest of the sentence with a comma.
