The word pledge means the same thing as promise, and as such, it can be either a noun or a verb. For example, I pledge my loyalty to you. That is a verb usage. You have accepted my pledge. That is a noun usage.
In his speech kennedy's main pledge is to ensure the survival of "liberty."
adverb
what part of speech is work
i want to know what part of speech is camping
what part of speech is beneath
In his speech kennedy's main pledge is to ensure the survival of "liberty."
Because the first Amendment says Freedom of Speech they have the right to say the pledge if he or she wants to.
the one that goes i pledge alegence to the flag
part of speech
The part of speech for this particular word is a noun.
adverb
what part of speech is work
what part of speech is beneath
the part of speech sashay is a averb
Did is a verb, and not is an adverb. Didn't is not any part of speech. It's a contraction of did and not.
Adjective
The word speech is a noun.