There are variations in the way verbs form the past tense. They can be looked at in the following way: ...

Most novels are written in the past tense. Readers are more familiar ... Finally, always proofread your work to make sure your tense and meaning is clear.

Present tense should still be used even if the research you are speaking of aged. Example: “ Clidemia heterophylla and Piperaceae musteum are both plants with ant domata, meaning that there is an ant ...