male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation OUGHT TO DISPROVE
Regular verb: disprove - disproved - disproved
Affirmation
Simple form
I ought to disproveyou ought to disprove
she ought to disprove
we ought to disprove
you ought to disprove
they ought to disprove
V-ing form
I ought to be disprovingyou ought to be disproving
she ought to be disproving
we ought to be disproving
you ought to be disproving
they ought to be disproving
Perfect
I ought to have disprovedyou ought to have disproved
she ought to have disproved
we ought to have disproved
you ought to have disproved
they ought to have disproved
V-ing perfect
I ought to have been disprovingyou ought to have been disproving
she ought to have been disproving
we ought to have been disproving
you ought to have been disproving
they ought to have been disproving
Negation
Simple form
I oughtn't to disproveyou oughtn't to disprove
she oughtn't to disprove
we oughtn't to disprove
you oughtn't to disprove
they oughtn't to disprove
V-ing form
I oughtn't to be disprovingyou oughtn't to be disproving
she oughtn't to be disproving
we oughtn't to be disproving
you oughtn't to be disproving
they oughtn't to be disproving
Perfect
I oughtn't to have disprovedyou oughtn't to have disproved
she oughtn't to have disproved
we oughtn't to have disproved
you oughtn't to have disproved
they oughtn't to have disproved
V-ing perfect
I oughtn't to have been disprovingyou oughtn't to have been disproving
she oughtn't to have been disproving
we oughtn't to have been disproving
you oughtn't to have been disproving
they oughtn't to have been disproving
Interrogative form
Simple form
ought to I disprove?ought to you disprove?
ought to she disprove?
ought to we disprove?
ought to you disprove?
ought to they disprove?
V-ing form
ought to I be disproving?ought to you be disproving?
ought to she be disproving?
ought to we be disproving?
ought to you be disproving?
ought to they be disproving?
Perfect
ought to I have disproved?ought to you have disproved?
ought to she have disproved?
ought to we have disproved?
ought to you have disproved?
ought to they have disproved?
V-ing perfect
ought to I have been disproving?ought to you have been disproving?
ought to she have been disproving?
ought to we have been disproving?
ought to you have been disproving?
ought to they have been disproving?
Interro-negative form
Simple form
oughtn't I to disprove?oughtn't you to disprove?
oughtn't she to disprove?
oughtn't we to disprove?
oughtn't you to disprove?
oughtn't they to disprove?
V-ing form
oughtn't I to be disproving?oughtn't you to be disproving?
oughtn't she to be disproving?
oughtn't we to be disproving?
oughtn't you to be disproving?
oughtn't they to be disproving?
Perfect
oughtn't I to have disproved?oughtn't you to have disproved?
oughtn't she to have disproved?
oughtn't we to have disproved?
oughtn't you to have disproved?
oughtn't they to have disproved?
V-ing perfect
oughtn't I to have been disproving?oughtn't you to have been disproving?
oughtn't she to have been disproving?
oughtn't we to have been disproving?
oughtn't you to have been disproving?
oughtn't they to have been disproving?