Rules for Using Semicolon

A semicolon (;) is used to link two independent clauses with closely related themes.

Ex.: John graduated in 2011; his brother graduated last year.

       Train is the most preferred public transport; it is cheap and time-saving.

Rules for Using Comma

A comma is used to distinguish direct quotations.

Ex.: Samuel Butler said, “God cannot alter the past, but historians can.”

        “Get out of your car,” the cop ordered. “I need to talk to you.”

Rules for Using Comma

A comma is used after the phrase, which precedes the subject of the sentence.

Ex.: When you reach the station, please call me.

        If you don’t work hard, you can’t succeed in life.

Rules for Using Comma

A comma is used to separate three or more phrases/words/clauses that are written in a series.

Ex.: The government promised to take prompt measures to bring down corruption, inflation, unemployment,    and crime rates.

       The victim was strangled to death, bundled into a sack, and thrown off a bridge.

Rules for Using Comma

A comma together with a conjunction connects two independent clauses.

Ex.: His leg was injured, so he couldn’t run fast.

        He had many cars, yet he chose to travel by bus.

Rules for Using Full Stop

A full stop is used to denote the end of a sentence whose meaning is complete; also, the sentence is not a question or exclamation.

Ex.: Man is a rationale animal.

        Sun rises in the east.

        Birds can fly.

Rules for Using Full Stop

A full stop is used to denote abbreviation. Generally, it is used if a word doesn’t have its last letter.

Ex.: Professor – Prof.

        Mister – Mr (No full stop is used here as the first and last letters are there)

        Doctor – Dr

      

Exception: The above is followed as per UK English. As per US English, it is written as Mr. and Dr.