can you explain the structure of simple past tense of the example I DID NOT WRITE A LETTER
The structure will be as follows:
I did not write a letter.
Subject: I
Verb: did not write (past tense)
Object: letter
I did not write a letter.
Subject: I
Verb: did not write (past tense)
Object: letter
Predicate: '..did not write a letter'