He rides his bike most frequently in the morning.

I work at school and at home during the week, but I work most comfortably at my desk on the weekend.

She is most likely to become a doctor after she finishes med school.

Birds sing most beautifully in the morning.

Some adverbs don’t use “ly” endings. For these words, just add “est.”

• They play well together, but they play best when they’re under pressure.

• They perform the worst on the field when they don’t practice.

• John is the hardest working player on the team.

• Burt runs the fastest, so he’s a wide receiver.