There is a misconception that all verbs in a paragraph should be in the same tense. The choice of the appropriate verb tense depends on context and meaning.

The examples below show how an action, state, or occurrence can be moved from a noun back to a verb. In your scientific paper, use verb tenses (past, present, and future) exactly as you would in ...

Verbs can be used to describe an action, that’s doing something. For example, like the word ‘jumping’ in this sentence: The rabbit was jumping in the field. They can also be used to describe ...