English verb conjugation
COULD BELLYACHE

Regular verb: bellyache - bellyached - bellyached

Affirmation

Simple form	V-ing form
I could bellyache you could bellyache she could bellyache we could bellyache you could bellyache they could bellyache	I could be bellyaching you could be bellyaching she 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 she 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 she 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 she 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 she 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 she 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 she 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 she bellyache? could we bellyache? could you bellyache? could they bellyache?	could I be bellyaching? could you be bellyaching? could she 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 she 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 she 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 she 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 she 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 she 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 she have been bellyaching? couldn't we have been bellyaching? couldn't you have been bellyaching? couldn't they have been bellyaching?