English verb conjugation
COULD SQUINT

Regular verb: squint - squinted - squinted

Affirmation

Simple form	V-ing form
I could squint you could squint she could squint we could squint you could squint they could squint	I could be squinting you could be squinting she could be squinting we could be squinting you could be squinting they could be squinting
Perfect	V-ing perfect
I could have squinted you could have squinted she could have squinted we could have squinted you could have squinted they could have squinted	I could have been squinting you could have been squinting she could have been squinting we could have been squinting you could have been squinting they could have been squinting

Negation

Simple form	V-ing form
I could not squint you could not squint she could not squint we could not squint you could not squint they could not squint	I could not be squinting you could not be squinting she could not be squinting we could not be squinting you could not be squinting they could not be squinting
Perfect	V-ing perfect
I could not have squinted you could not have squinted she could not have squinted we could not have squinted you could not have squinted they could not have squinted	I could not have been squinting you could not have been squinting she could not have been squinting we could not have been squinting you could not have been squinting they could not have been squinting

Interrogative form

Simple form	V-ing form
could I squint? could you squint? could she squint? could we squint? could you squint? could they squint?	could I be squinting? could you be squinting? could she be squinting? could we be squinting? could you be squinting? could they be squinting?
Perfect	V-ing perfect
could I have squinted? could you have squinted? could she have squinted? could we have squinted? could you have squinted? could they have squinted?	could I have been squinting? could you have been squinting? could she have been squinting? could we have been squinting? could you have been squinting? could they have been squinting?

Interro-negative form

Simple form	V-ing form
could I not squint? could you not squint? could she not squint? could we not squint? could you not squint? could they not squint?	could I not be squinting? could you not be squinting? could she not be squinting? could we not be squinting? could you not be squinting? could they not be squinting?
Perfect	V-ing perfect
could I not have squinted? could you not have squinted? could she not have squinted? could we not have squinted? could you not have squinted? could they not have squinted?	could I not have been squinting? could you not have been squinting? could she not have been squinting? could we not have been squinting? could you not have been squinting? could they not have been squinting?