A writer would not use the present tense when describing something which happened some time previously.
True.
It is when a writer switches between tenses. For example, they might begin writing in the present tense but then they switch to writing in the past tense.
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.
The present tense of "will be" is "am/is/are." For example, "I am," "he is," "they are."
Past tense I had Present tense I have Future Tense I will have
"Has" is in present tense. The past tense is "had".
Yes, "is" is present tense. The past tense form of "is" is "was."
Present perfect tense.
the present of did is didnt Do is the present tense of did. Didn't is the past negative form
"Is" is present tense, while "was" is past tense.