#4 - Period (.) - English Grammar


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Period (.)

Punctuation is a mark that makes a meaning of a sentence clear. The most common punctuation mark is the period. A period is used to indicate the end of a sentence. It is used to make a statement.

Period at the End of a Sentence

A period is used at the end of a sentence. It is used to make a statement.
  • My name is Bill.
  • I am 24 years old.
  • I live in Seattle.
  • I am a teacher.

Period after a Single Word

Sometimes a single word can be a complete sentence.
  • Hello.
  • Good-bye.
  • Stop.
  • Go.

Period in Abbreviated Words

A period is used in abbreviated words or shortened words. Many words can be abbreviated. These are a few common examples.

Mister
Misses
Doctor
Sergeant
Mr.
Mrs.
Dr.
Sgt.
Street
Road
Avenue
Boulevard
St.
Rd.
Ave.
Blvd.
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Mon.
Tues.
Wed.
Thurs.
Fri.
Sat.
Sun.
January
February
March
April
May
June
July
August
September
October
November
December
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sept.
Oct.
Nov.
Dec.

Period in Numbers

Periods used in numbers are called decimal points. Decimal points separate a whole number and a fraction of a whole number. It is used when referring to temperature and money.

The book is $10.99. ($10.99 = ten dollars and ninety-nine cents)
Normal body temperature is 98.6 Fahrenheit. (98.6 = ninety-eight point six)




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