The noun theater is only capitalized if:
- it refers to a course of study at a school (e.g. Theater, Dramatic Arts)
- it is included in a proper noun (e.g. the Globe Theater)
- it is the first word in a sentence
No. Strictly, the words are common nouns and don't need it. People sometimes use it in the sense of a title, though, and it's not really wrong to capitalise here.
For instance, no one is likely to quibble about something like this:
Toytown Academy is seeking to appoint a well qualified teacher to join the Theatre Department of this thriving school.
No, "theater" does not have to be capitalized in a sentence unless it is being used in a proper noun or as part of a specific title (e.g., Broadway Theater).
Yes, "PC" should be capitalized in a sentence.
No, "line manager" is not capitalized when used in a sentence unless it begins the sentence.
No, "personnel" is not capitalized when used in a sentence unless it is at the beginning of the sentence or part of a title.
No, the word "novel" does not have to be capitalized in every sentence. It should be capitalized only if it is the first word in a sentence or part of a title.
No, "pretologist" is not typically capitalized in a sentence unless it is at the beginning of a sentence or part of a proper noun.
When it is used as a name of the theater, then it should be capitalized.
Dodgeball is capitalized if it starts the sentence. But if dodgeball is used in the middle of a sentence it is not capitalized.
Theater is capitalized when it is used as part of a proper nou n. Examples: The Broadway Theater District Folk Arts Theater
They are not proper nouns. They would not be capitalized in a sentence.
No, the word forecast should not be capitalized in a sentence.
Yes, "PC" should be capitalized in a sentence.
No, "line manager" is not capitalized when used in a sentence unless it begins the sentence.
No, "personnel" is not capitalized when used in a sentence unless it is at the beginning of the sentence or part of a title.
No, the word "novel" does not have to be capitalized in every sentence. It should be capitalized only if it is the first word in a sentence or part of a title.
Should breakfast be capitalized in a sentence
No, "pretologist" is not typically capitalized in a sentence unless it is at the beginning of a sentence or part of a proper noun.
No, "customers" is not typically capitalized in a sentence unless it is at the beginning of a sentence or in a title.