No because it is not a proper noun. However, if you place it at the beginning of a sentence yes it needs to be capitalized like other words.
No. Interjections are just like any other parts of speech, so they don't dictate capitalization.
Example: Yes, I did feed the dog.
Example: Oh no, the plate broke!
Yes! You do.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
It should only be capitalized if it forms part of a title.
Yes it should be capitalized.
As an abbreviation it should be capitalized.
Yes it should always be capitalized.
Have should be capitalized if it is the beginning of a sentence. Summer should not be capitalized.
Yes, "Osprey" should be capitalized because it is the proper name of a specific bird species.
Yes, "Local Park" should be capitalized because it is a proper noun.
3 Interjections are Yes! Look! and No! a few other interjections are Stop! Ouch! and Whew! Interjections express emotional excitment.
It should only be capitalized if it forms part of a title.
Yes, it should be capitalized.
Yes it should be capitalized.
As an abbreviation it should be capitalized.
Yes it should always be capitalized.
Yes it should be capitalized.
The first 'c' should be capitalized.
No it should not be capitalized.