English verb conjugation
COULD SQUAWK

Regular verb: squawk - squawked - squawked

Affirmation

Simple form	V-ing form
I could squawk you could squawk he could squawk we could squawk you could squawk they could squawk	I could be squawking you could be squawking he could be squawking we could be squawking you could be squawking they could be squawking
Perfect	V-ing perfect
I could have squawked you could have squawked he could have squawked we could have squawked you could have squawked they could have squawked	I could have been squawking you could have been squawking he could have been squawking we could have been squawking you could have been squawking they could have been squawking

Negation

Simple form	V-ing form
I couldn't squawk you couldn't squawk he couldn't squawk we couldn't squawk you couldn't squawk they couldn't squawk	I couldn't be squawking you couldn't be squawking he couldn't be squawking we couldn't be squawking you couldn't be squawking they couldn't be squawking
Perfect	V-ing perfect
I couldn't have squawked you couldn't have squawked he couldn't have squawked we couldn't have squawked you couldn't have squawked they couldn't have squawked	I couldn't have been squawking you couldn't have been squawking he couldn't have been squawking we couldn't have been squawking you couldn't have been squawking they couldn't have been squawking

Interrogative form

Simple form	V-ing form
could I squawk? could you squawk? could he squawk? could we squawk? could you squawk? could they squawk?	could I be squawking? could you be squawking? could he be squawking? could we be squawking? could you be squawking? could they be squawking?
Perfect	V-ing perfect
could I have squawked? could you have squawked? could he have squawked? could we have squawked? could you have squawked? could they have squawked?	could I have been squawking? could you have been squawking? could he have been squawking? could we have been squawking? could you have been squawking? could they have been squawking?

Interro-negative form

Simple form	V-ing form
couldn't I squawk? couldn't you squawk? couldn't he squawk? couldn't we squawk? couldn't you squawk? couldn't they squawk?	couldn't I be squawking? couldn't you be squawking? couldn't he be squawking? couldn't we be squawking? couldn't you be squawking? couldn't they be squawking?
Perfect	V-ing perfect
couldn't I have squawked? couldn't you have squawked? couldn't he have squawked? couldn't we have squawked? couldn't you have squawked? couldn't they have squawked?	couldn't I have been squawking? couldn't you have been squawking? couldn't he have been squawking? couldn't we have been squawking? couldn't you have been squawking? couldn't they have been squawking?