Verbs are the action words in a sentence that describe what the subject is doing. Along with nouns, verbs are the main part of a sentence or phrase, telling about what is taking place.
It is important to choose the verb that fits with the subject and object in a sentence, otherwise your English will not sound natural or you may not be able to make yourself understood.
For example, it would be very strange for someone to say, 'we is' instead of 'we are', or 'I need to make a break', instead of, 'I need to take a break'.