If you are talking in general terms, then no: "He ran down the lane."
If you are talking about a name, then yes: "He ran down Seaview Lane."
No, the word forecast should not be capitalized in a sentence.
It is capitalized at the beginning of the sentence.
No it shouldn't be capitalized.
Courthouse is not usually capitalized in a sentence.
No.
Dodgeball is capitalized if it starts the sentence. But if dodgeball is used in the middle of a sentence it is not capitalized.
They are not proper nouns. They would not be capitalized in a sentence.
Yes, "PC" should be capitalized in a sentence.
No, the word forecast should not 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, "customers" is not typically capitalized in a sentence unless it is at the beginning of a sentence or in 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.
It is capitalized at the beginning of the sentence.
No, it shouldn't be capitalized.
Yes, Celsius has to capitalized. . .