You is not a verb
Mailed ... it's the past tense of the action verb, mail as in to 'mail a letter.'
a action verb starting with the letter Y could be yell.
No England is a not an action verb. England is a proper noun you can tell because it begins with a capitol letter.
Incinerate
X-ray
Yell
It is an action verb.
A verb is an action word. A letter that when you say it, means of debt is the letter O. If you are in debt, you owe somebody something.
Depending on the context, address is already a verb. For example, "to address something or someone" or "to address a letter" is an action and therefore a verb.
X-ray
Vote is an action verb. Vaccinate and vandalize are action verbs.
began is an action verb, not a linking verb.