Do all verbs end in - ly?

No, all verbs don't end with -ly. Many adverbs, Words that modify verbs, end in -ly; and many adjectives, Words that describe nouns, end in -ly.

Some examples of adverbs modifying verbs:

• clearly saw
• quietly spoke
• sweetly smiled
• vigorously stirred

Some examples of adverb that don't end with -ly:

• often go
• now go
• never go
• once went

Some examples of adjectives describing nouns:

• a beastly storm
• a cowardly lion
• a heavenly day
• a neighborly guy

Most adjectives do not end with -ly, for example:

• a hot day
• a green dress
• a happy baby
• a sour Apple