Yes, plainly is an a adverb. It can mean clearly or obviously, or done in a plain or straightforward manner.
No. Plain is a noun, or an adjective. The adjective plain has the adverb form "plainly."
Jane was plainly dressed in a white cotton dress and too tight mary janes.
SIMPLY
pilgrams
two
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.
Be a man about it and ask them out.
a riddle
The friar tells Romeo to speak more plainly because he is not being clear about who he is talking about and which feelings he is experiencing. By speaking more plainly, Romeo can ensure that the friar fully understands the situation and can provide appropriate advice or guidance.
Softly is an adverb.
No, it is not an adverb. Truthful is an adjective, and the adverb form is "truthfully."