No, it is not. The word president is a noun: a position or the individual holding that position. The word presidency is also a noun.
No, it is not. It is an adjective meaning of, about, or by a president. The adverb would be presidentially.
Admittedly
The word "president" is a noun in this sentence, not an adjective or an adverb.
Intelligently, as in, "She answered the question intelligently."
Yes, yesterday is a temporal adverb, modifying the verb "to go" by placing it in a particular time setting. "The day before yesterday" would be an adverbial phrase.
enthusiastically
The word bill is a noun, and the word "vetoed" is an adjective. It means not accepted by the executive (e.g. the president).
1. Adverb Of Time2. Adverb Of Place3. Adverb Of Manner4. Adverb Of Degree of Quantity5. Adverb Of Frequency6. Interrogative Adverb7. Relative Adverb
"Ever" is an adverb.
It can be. To run is the infinitive form of the verb. It can be a noun, adjective or adverb. Examples: I was almost ready to run. - infinitive to run modifies adjective "ready" He left the senate to run for president. - infinitive to run modifies the verb "left"
Softly is an adverb.
No, it is not an adverb. Truthful is an adjective, and the adverb form is "truthfully."