English verb conjugation
COULD SQUALL

Regular verb: squall - squalled - squalled

Affirmation

Simple form	V-ing form
I could squall you could squall he could squall we could squall you could squall they could squall	I could be squalling you could be squalling he 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 he 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 he 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 he 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 he 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 he 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 he 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 he squall? could we squall? could you squall? could they squall?	could I be squalling? could you be squalling? could he 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 he 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 he 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 he 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 he 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 he 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 he have been squalling? couldn't we have been squalling? couldn't you have been squalling? couldn't they have been squalling?