English verb conjugation
COULD SQUALL

Regular verb: squall - squalled - squalled

Affirmation

Simple form	V-ing form
I could squall you could squall she could squall we could squall you could squall they could squall	I could be squalling you could be squalling she could be squalling we could be squalling you could be squalling they could be squalling
Perfect	V-ing perfect
I could have squalled you could have squalled she could have squalled we could have squalled you could have squalled they could have squalled	I could have been squalling you could have been squalling she could have been squalling we could have been squalling you could have been squalling they could have been squalling

Negation

Simple form	V-ing form
I couldn't squall you couldn't squall she couldn't squall we couldn't squall you couldn't squall they couldn't squall	I couldn't be squalling you couldn't be squalling she couldn't be squalling we couldn't be squalling you couldn't be squalling they couldn't be squalling
Perfect	V-ing perfect
I couldn't have squalled you couldn't have squalled she couldn't have squalled we couldn't have squalled you couldn't have squalled they couldn't have squalled	I couldn't have been squalling you couldn't have been squalling she couldn't have been squalling we couldn't have been squalling you couldn't have been squalling they couldn't have been squalling

Interrogative form

Simple form	V-ing form
could I squall? could you squall? could she squall? could we squall? could you squall? could they squall?	could I be squalling? could you be squalling? could she be squalling? could we be squalling? could you be squalling? could they be squalling?
Perfect	V-ing perfect
could I have squalled? could you have squalled? could she have squalled? could we have squalled? could you have squalled? could they have squalled?	could I have been squalling? could you have been squalling? could she have been squalling? could we have been squalling? could you have been squalling? could they have been squalling?

Interro-negative form

Simple form	V-ing form
couldn't I squall? couldn't you squall? couldn't she squall? couldn't we squall? couldn't you squall? couldn't they squall?	couldn't I be squalling? couldn't you be squalling? couldn't she be squalling? couldn't we be squalling? couldn't you be squalling? couldn't they be squalling?
Perfect	V-ing perfect
couldn't I have squalled? couldn't you have squalled? couldn't she have squalled? couldn't we have squalled? couldn't you have squalled? couldn't they have squalled?	couldn't I have been squalling? couldn't you have been squalling? couldn't she have been squalling? couldn't we have been squalling? couldn't you have been squalling? couldn't they have been squalling?