PAST DUBIOUS TENSE

                           PAST DUBIOUS TENSE

DEFINITION:-

                        Such verb, which modifies that the subject did some work in a dubitative condition in past time that is called past dubious tense.

NOTE:- (1)

                  This tense shows the doubt in doing some work in past time.

EXAMPLE:-

(1)            You may have loved.

(2)            The cat might have killed a snake.

NOTE:- (2)

                 “May have” and “Might  have” are the helping verbs to this tense.

NOTE:- (3)

                 “Third” form of the verb is used in this tense.

NOTE:- (4)

                  For emphatic sentences “Must have” is used in the place of may have and might have.

FORMATION:-

SUBJECT	H . VERB	M. VERB III	OBJECT
You	may have	found	my purse
Safia	may have	made	a fair book

= You may have found my purse.

= Safia may have made a fair book.

CONJUGATION

  I may have visited.

  We may have visited.

  You may have visited.

  He may have visited.

  She may have visited.

  It may have visited.

 They may have visited.

ASSERTIVE

(1)            Someone may have knocked at the door.

(2)            Pakistan might have won the toss.

(3)            She may have jumped over the wall.

(4)            They may have purchased a new car.

(5)            They may have invited their friends in farewell party.

INTERROGATIVE

(1)            May someone have knocked at the door?

(2)            Might Pakistan have won the toss?

(3)            May she have jumped over the wall?

(4)            May they have purchased a new car?

(5)            May they  have invited their friends in farewell party?

NEGATIVE

(1)            Someone may not have knocked at the door.

(2)            Pakistan might not have won the toss.

(3)            She may have not  jumped over the wall.

(4)            They may have not purchased a new car.

(5)            They may have not invited their friends in farewell party.

INT & NEG

(1)            May someone not have knocked at the door?

(2)            Might Pakistan not have won the toss?

(3)            May she not have jumped over the wall?

(4)            May they not have purchased a new car?

(5)            May they not have invited their friends in farewell party?

EMPHATIC

(1)            Someone must have knocked at the door.

(2)            Pakistan must have won the toss.

(3)             She must have jumped over the wall.

(4)            They must have purchased a new car.

(5)            They must have invited their friends in farewell party.

MODEL SENTENCES

(1)            They might have hired a car.

(2)            The people of Thar may have become happy.

(3)            Rattan may have concocted.

(4)             Herds-man may watered the animals.

(5)            It might have snowed in Muree.

(6)            The teacher may have taught you a new lesson.

(7)            Police may have searched the passengers.

(8)            Akram may have collected money for business.