Why should I write more letters on my mother's name, and there are two letters?

Some kinship (such as mother, sister, mother, father, etc.). ) should be capitalized when used as a title.

Thank you, Dad. Thank you, Dad.

Extended data

In English, there are several aspects that need to be capitalized:

1, the first letter of the sentence;

2. Name. Capitalize the initials of the first and last names;

3. The first letter of the title or topic should be capitalized;

Capitalize the first letters of proper nouns such as countries and place names;

5, month, Sunday, holiday, the first letter of each word should be capitalized;

6. Language names should be capitalized;

7. The first letter of each word in the title of the article should be capitalized, but excluding prepositions and conjunctions, such as of and;

8. Special abbreviations such as the capitalization of the US Federal Bureau of Investigation;

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