Not unless it is the first word of the sentence.
Ex: Spring flowers have such a refreshing smell.
Ex: The smell of spring flowers is so refreshing.
No, "spring" should not be capitalized in the sentence "spring flowers," unless it's at the beginning of a sentence.
You simply capitalize the "am" as you would any other word at the beginning of a sentence. For example, "Am I late?"
In this sentence, "dad" and "mom" would be lowercase as they are used informally. However, if referring to them in a formal or respectful context, you could capitalize them as "Dad" and "Mom."
No, "sign language" is not typically capitalized in a sentence unless it is part of a title or at the beginning of a sentence.
No, in general, you would not capitalize the word "language" unless it is at the beginning of a sentence or part of a proper noun.
In a list, you would typically capitalize the first word of each item, proper nouns, and the first word after a colon if it introduces a complete sentence.
At the beginning of a sentence.
No, you would not capitalize either word in this sentence
Almost but not quite. Florescent (NOT to be confused with fluorescent !) is an adjective meaning "to be in a flourishing state". It does not have a verb form, so you would write "Flowers are florescent in the spring."However, "florescent" is an uncommon and somewhat stilted word. It may be better to simply say "Flowers are flourishing in the spring" or "Flowers flourish ..."
no
No, unless it is part of a proper noun or the first word in a sentence. The word "beef" should not be capitalized in the middle of a sentence.
You do not have to capitalize fourteen hundred dollars. The only time you would capitalize any word in that phrase is when the word "fourteen" was used at the beginning of a sentence.
No. You capitalize titles and proper nouns, but you treat a quote as you would any written sentence.
I cannot think of any sentence that you would capitalize the word cub.The cub slept with its mother. The bear had three cubs.
No, the word lunch is not capitalized in a sentence. You would only capitalize it if it was part of a title (e.g. it was a word in a book title).
People do not capitalize "a" in a sentence because it is not a proper noun. There is no other reason why "a" would be capitalized. If you are talking about getting an A on an assignment, however, it would be capitalized.
No, "airplane" is not typically capitalized unless it is at the beginning of a sentence or part of a proper noun like a specific model or brand name.
No unless you were using it the same way you would use a name. Example My daughter is nice. I wish Daughter liked flowers. (The capitalization may not actually apply, I know that it does when you are writing Mom or Dad though, chances are you don't need to capitalize it.)