Usage of Past Tense or Present Tense is all depends on the topic.
No. If you look you will see that stories are often written in past, present and future
third person
The past tense of "essay" is "essayed."
Yes, past tense is commonly used in an essay to discuss events, research findings, or literature reviews that have already occurred. It helps maintain a clear and formal tone that is appropriate for academic writing.
The verb is is the present tense.
The past tense of did is did. The present tense of did is do. The future tense of did is will do.
Stories take place at any time and place -- in the past, present, or future. The vast majority of stories use past tense for their narrative. Even stories that are set in the future will use a past tense narrative. Using present or future tense for your narrative is very rare.
It was, (past tense) it is, (present tense) it will be( future tense)
Past tense I had Present tense I have Future Tense I will have
No. Where there is some requirement to alter the text, a bracket can be used for the replaced or missing text.
"Has" is in present tense. The past tense is "had".