yes. if it ends in -ly it usually is but there are exceptions
No, it is an adjective. The adverb form is beneficially.
adverb
Yes, you can change patience into an adverb. The adverb is "patiently."
No, it is not an adverb. Became is the past tense of the verb become.
Yes, it is an adverb. It is the adverb form of "ready" and means quickly and easily.
No. Mad is an adjective, with meanings such as crazed, insane or angry. The adverb form is madly (greatly, extremely, uncontrollably).
An adverb describes the action. Verbs are action words; adverbs describe the action. In the example "he giggled uncontrollably" 'giggled' is the verb and 'uncontrollably' is the adverb because it describes the action of giggling.
No, it is not an adverb. Control is a verb, or a noun, and can be used as an adjunct or adjective (control station, control box). The closest adverb may be the adverb controllably, noted for its reverse which is uncontrollably.
That is the correct spelling of "uncontrollably."
uncontrollably
Weeping uncontrollably.
A mass of tissue growing uncontrollably is a cancerous tumor.
wobbily
Where your tires shake uncontrollably.
fir-to dance uncontrollably
Replicating uncontrolled.
a condition where one blushes uncontrollably.