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Punctuation. Periods, Questions marks and Exclamation points . When to use Periods . Use a period at the end of a statement. This English class is my favorite class this term. Use a period at the end of a command . Hand in the essays no later than noon on Friday.
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Punctuation Periods, Questions marks and Exclamation points
When to use Periods . • Use a period at the end of a statement. • This English class is my favorite class this term. • Use a period at the end of a command. • Hand in the essays no later than noon on Friday. • Use a period at the end of an indirect question. • The teacher asked why Maria had left out the easy exercises. • Use a period with abbreviations: • Dr. Espinoza arrived from Washington, D.C., at 6 p.m.
When to NOT use a period . • Although it is tempting, we DO NOT use periods in acronyms. • An acronym is an abbreviation that we pronounce as a word instead of as individual letters. • SCUBA (self contained underwater breathing apparatus) • NATO (North Atlantic Treaty Organization)
WHEN A PERIOD IS TRICKY . • Abbreviations we pronounce by spelling out the letters may or may not use periods. • If you are unsure in that specific case, look up the abbreviation in a dictionary. • FBI (Federal Bureau of Investigation) • Notice we say “F-B-I” but there are no periods • U.S.A. (United States of America) • Notice we say “U-S-A” but there are periods • LSHS (Lake Shore High School) • Notice we say “L-S-H-S” but there are no periods
When to use a Question mark ? • Use a question mark at the end of a direction question. • He should quit smoking, shouldn't he? • If a question mark is part of an italicized or underlined title, make sure that the question mark is also italicized: • My favorite book is Where Did He Go? • When a question ends with an abbreviation, end the abbreviation with a period and then add the question mark. • Didn't he use to live in Washington, D.C.?
When to NOT use a question Mark ? • When a question constitutes a polite request, it is usually not followed by a question mark. • Would everyone in the room who hasn't received an ID please move to the front of the line.
When to use exclamation points! • Use an exclamation point at the end of an interjection • Wow! • Use an exclamation point at the end of a strong command • Sit down! • If an exclamation mark is part of an italicized or underlined title, make sure that the exclamation mark is also italicized or underlined: • My favorite book is Oh, the Places You'll Go!