English verb conjugation
SHOULD DISPROVE

Regular verb: disprove - disproved - disproved

Affirmation

Simple form	V-ing form
I'd disprove you'd disprove he'd disprove we'd disprove you'd disprove they'd disprove	I'd be disproving you'd be disproving he'd be disproving we'd be disproving you'd be disproving they'd be disproving
Perfect	V-ing perfect
I should've disproved you should've disproved he should've disproved we should've disproved you should've disproved they should've disproved	I should've been disproving you should've been disproving he should've been disproving we should've been disproving you should've been disproving they should've been disproving

Negation

Simple form	V-ing form
I shouldn't disprove you shouldn't disprove he shouldn't disprove we shouldn't disprove you shouldn't disprove they shouldn't disprove	I shouldn't be disproving you shouldn't be disproving he shouldn't be disproving we shouldn't be disproving you shouldn't be disproving they shouldn't be disproving
Perfect	V-ing perfect
I shouldn't have disproved you shouldn't have disproved he shouldn't have disproved we shouldn't have disproved you shouldn't have disproved they shouldn't have disproved	I shouldn't have been disproving you shouldn't have been disproving he shouldn't have been disproving we shouldn't have been disproving you shouldn't have been disproving they shouldn't have been disproving

Interrogative form

Simple form	V-ing form
should I disprove? should you disprove? should he disprove? should we disprove? should you disprove? should they disprove?	should I be disproving? should you be disproving? should he be disproving? should we be disproving? should you be disproving? should they be disproving?
Perfect	V-ing perfect
should I have disproved? should you have disproved? should he have disproved? should we have disproved? should you have disproved? should they have disproved?	should I have been disproving? should you have been disproving? should he have been disproving? should we have been disproving? should you have been disproving? should they have been disproving?

Interro-negative form

Simple form	V-ing form
shouldn't I disprove? shouldn't you disprove? shouldn't he disprove? shouldn't we disprove? shouldn't you disprove? shouldn't they disprove?	shouldn't I be disproving? shouldn't you be disproving? shouldn't he be disproving? shouldn't we be disproving? shouldn't you be disproving? shouldn't they be disproving?
Perfect	V-ing perfect
shouldn't I have disproved? shouldn't you have disproved? shouldn't he have disproved? shouldn't we have disproved? shouldn't you have disproved? shouldn't they have disproved?	shouldn't I have been disproving? shouldn't you have been disproving? shouldn't he have been disproving? shouldn't we have been disproving? shouldn't you have been disproving? shouldn't they have been disproving?