Past tense is used to express the events that have
"Past". Past here should not have been too long, which is already
gone, already passed. That emphasis. Maybe yesterday, an hour ago, 1 year ago,
one century ago, and so on.
Formula
:
·
Verbal :
(+)
S + V2 + O + Adj / Noun / Adverb (ANA)
(-)
S + did + not + V1 + O + ANA
(?)
Did + S + V1 + O + ANA ?
Example :
(+)
The Doctor went to the hospital yesterday.
(-)
The Doctor did not go to the hospital yesterday.
(?)
Did the Doctor go to the hospital yesterday?
·
Nominal :
(+)
S + to be 2 (was/were) + ANA
(-)
S + to be 2 (was/were) + ANA
(?)
to be 2 + S + ANA ?
Example :
(+)
He was a teacher.
(-)
He was not a teacher.
(?)
Was he a teacher?