Simple present is used to talk about
a repeated action ie habit: I go to work on the bus.
something that is true now: We live in Ekatahuna. I like ice cream.
something that is always true: The sun rises in the east.
verb
Visited is a action verb. An action verb is a verb that expresses either physical or mental activity. A linking verb is a verb that expresses a state of being. A linking verb connects, or links, the subject to a word or word group that identifies
A word that expresses an action
Verb!
The word verb is a noun, a word that expresses an action, state, or occurrence.
verb
A verb that expresses the speaker's mood
A auxiliary verb that expresses necessity or possibility.
Should is an auxiliary verb that expresses an obligation or a suggestion while would expresses a request or a desire.
Can is not an independent clause, it's a modal auxiliary verb that expresses ability. Example: He can do fifty push-ups. An independent clause is a sentence that contains a subject, verb, and expresses a complete thought.
The prefix of ing is a noun formed from a verb. It basically expresses the action of the verb that you are using.
No, "know" is not a preposition. It is a verb that expresses understanding or awareness of something.