Capitalization, as an 'English Language/Punctuation & Capitalization' question, refers to the practice of beginning certain words with a capital (upper case) letter. Capitalization is not common to all languages.
In English, the following words are customarily capitalized:
1. First word of: sentences, and titles of books, films, magazines etc: Once upon a time ... , National Geographic
2. Names of: days, months, and public holidays: Monday, January, Christmas
3. Proper nouns including names of: people and places, including stars and planets:Paul Phillips, Plato, Wall Street, Portugal, Saturn
4. People's title or rank: Mr Edwards, King Olav, Professor Layton, Pope John, Dr James, General Patton
5. Nouns and adjectives referring to nationalities, languages, ethnic groups, religions, regions:
American, French, Roma, Anglican, Swiss cheese
No, "into" should not be capitalized unless it comes at the beginning of a sentence.
Yes, "I am" is typically capitalized because "I" is a pronoun and should always be capitalized in English.
Yes, when referring to the title of the President of the United States, it should always be capitalized.
Yes. Days of the week are always capitalized.
No, the word "rif" is not always capitalized. It should only be capitalized if it is part of a proper noun or at the beginning of a sentence.
Words that are always capitalized are not acceptable words in Scrabble.
usually no, but you can always ask
Words that are proper nouns are always capitalized. Welfare should only be capitalized when it is used at the beginning of the sentence or when it forms part of the proper noun.
Yes, the word I've is a contraction for "I have". The first person, singular, subjective pronoun "I" is always capitalized for all contractions with the pronoun "I" (I've, I'll, I'd, etc.)
No, "into" should not be capitalized unless it comes at the beginning of a sentence.
Yes, "I am" is typically capitalized because "I" is a pronoun and should always be capitalized in English.
Yes, when referring to the title of the President of the United States, it should always be capitalized.
Yes. Days of the week are always capitalized.
Yes, it should always be capitalized.
No, circa does not need to be capitalized.
No, the word "rif" is not always capitalized. It should only be capitalized if it is part of a proper noun or at the beginning of a sentence.
If you are referencing yourself, "i" should always, always, always be capitalized. Me = I. When referring to yourself, the "i" should be capitalized even if it is not at the beginning of the sentence. Example: Dave and I went to the store. Remember, just because a word has the letter "i" in it does not mean that the "i" should be capitalized. Example: She used It. (wrong) She used it. (right) The "i" is capitalized only when referring to yourself. In other words, when "I" means "me" or yourself.