This question seems to be incomplete. However, there is enough information to find the right answer.
Answer:
1. Adverbs of Time: before dark
2. Adverbs of degree: old enough
3. Comparative adverb: harder than
4. Adverbs of Frequency: every day
5. Adverbs of Place: on the island
Step-by-step explanation:
Adverbs are words that describe verbs, adjectives, or even other adverbs, by establishing their frequency, manner, time, place, degree, amount, or attitude.
For example, adverbs of frequency can be "always", "sometimes", or "never." Adverbs of manner are "slowly", "closely", and "quickly". And some examples of adverbs of time are "yesterday", "tomorrow", and "soon."