English verb conjugation
COULD SQUAWK

Regular verb: squawk - squawked - squawked

Affirmation

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