English verb conjugation
COULD BELLYACHE

Regular verb: bellyache - bellyached - bellyached

Affirmation

Simple form	V-ing form
I could bellyache you could bellyache he could bellyache we could bellyache you could bellyache they could bellyache	I could be bellyaching you could be bellyaching he could be bellyaching we could be bellyaching you could be bellyaching they could be bellyaching
Perfect	V-ing perfect
I could have bellyached you could have bellyached he could have bellyached we could have bellyached you could have bellyached they could have bellyached	I could have been bellyaching you could have been bellyaching he could have been bellyaching we could have been bellyaching you could have been bellyaching they could have been bellyaching

Negation

Simple form	V-ing form
I couldn't bellyache you couldn't bellyache he couldn't bellyache we couldn't bellyache you couldn't bellyache they couldn't bellyache	I couldn't be bellyaching you couldn't be bellyaching he couldn't be bellyaching we couldn't be bellyaching you couldn't be bellyaching they couldn't be bellyaching
Perfect	V-ing perfect
I couldn't have bellyached you couldn't have bellyached he couldn't have bellyached we couldn't have bellyached you couldn't have bellyached they couldn't have bellyached	I couldn't have been bellyaching you couldn't have been bellyaching he couldn't have been bellyaching we couldn't have been bellyaching you couldn't have been bellyaching they couldn't have been bellyaching

Interrogative form

Simple form	V-ing form
could I bellyache? could you bellyache? could he bellyache? could we bellyache? could you bellyache? could they bellyache?	could I be bellyaching? could you be bellyaching? could he be bellyaching? could we be bellyaching? could you be bellyaching? could they be bellyaching?
Perfect	V-ing perfect
could I have bellyached? could you have bellyached? could he have bellyached? could we have bellyached? could you have bellyached? could they have bellyached?	could I have been bellyaching? could you have been bellyaching? could he have been bellyaching? could we have been bellyaching? could you have been bellyaching? could they have been bellyaching?

Interro-negative form

Simple form	V-ing form
couldn't I bellyache? couldn't you bellyache? couldn't he bellyache? couldn't we bellyache? couldn't you bellyache? couldn't they bellyache?	couldn't I be bellyaching? couldn't you be bellyaching? couldn't he be bellyaching? couldn't we be bellyaching? couldn't you be bellyaching? couldn't they be bellyaching?
Perfect	V-ing perfect
couldn't I have bellyached? couldn't you have bellyached? couldn't he have bellyached? couldn't we have bellyached? couldn't you have bellyached? couldn't they have bellyached?	couldn't I have been bellyaching? couldn't you have been bellyaching? couldn't he have been bellyaching? couldn't we have been bellyaching? couldn't you have been bellyaching? couldn't they have been bellyaching?