Capitalization

 ****1.Definition of Capitalization****
====The most common usage of capitalization is to capital certain letters in a sentence. It also often used for proper nouns. According to the Oxford Advanced Learner's Dictionary (OALD), capitalization is to write a letter of the alphabet using a capital letter, that is to say, to begin a word with a capital letter. ====

The letters can be written in two ways, the majuscule version, which is the capital letters or upper case, and minuscule versions (or lower case).
=2. Main Uses of Capital Letters =
 * ===Upper Case:=== || ===A=== || ===B=== || ===C=== || ===D=== || ===E=== || ===F=== || ===G=== || ===H=== || ===I=== || ===J=== || ===K=== || ===L=== || ===M=== || ===N=== || ===O=== || ===P=== || ===Q=== || ===R=== || ===S=== || ===T=== || ===U=== || ===V=== || ===W=== || ===X=== || ===Y=== || ===Z=== ||
 * ===Lower Case:=== || ===a=== || ===b=== || ===c=== || ===d=== || ===e=== || ===f=== || ===g=== || ===h=== || ===i=== || ===j=== || ===k=== || ===l=== || ===m=== || ===n=== || ===o=== || ===p=== || ===q=== || ===r=== || ===s=== || ===t=== || ===u=== || ===v=== || ===w=== || ===x=== || ===y=== || ===z=== ||

“__If__ you need help,” said Ted, “call me. __I’ll__ be over in no time.”
====Note: In the third example above, If and I are capitalized because they start new sentences. But call is not capitalized, because it is part of the first sentence. ====

(2) Capitalize the word **//I//** and //names of people//, //titles of persons//
==== __I __ mean that __I__ know the real origin of your wealth and your career, and __I__ have got your letter, too. ====

(4) Capitalize //names of days of the week, months and holidays//.
====On the last __Sunday__ afternoon in __December__, the day before the __Christmas Day__, my boss was having a barbecue for all the employees. ====

Keith installed a new __Sony__ stereo and a __Motorola__ cell phone into his old __Ford Ranger__ pickup.
===(6) Capitalize t//itles of books, magazines, newspapers, articles, stories, poems, films, television shows, songs, papers etc//. === ====In the doctor’s waiting room, I can watch //__The Big Bang Theory__//, leaf through news in //__The Times__//, or read articles in //Reader’s Digest//. ====

 Of course, there are some other uses of capital letters that are not mentioned above.
=Citation: = ====[1]. John Langan, //<span style="font-family: 'Times New Roman',Times,serif;">Writing Skills With Readings, //<span style="font-family: 'Times New Roman',Times,serif;">6th Edition, Beijing: Foreign Language and Research Press,2007.1 ====