English verb conjugation
COULD SQUIRM

Regular verb: squirm - squirmed - squirmed

Affirmation

Simple form	V-ing form
I could squirm you could squirm he could squirm we could squirm you could squirm they could squirm	I could be squirming you could be squirming he could be squirming we could be squirming you could be squirming they could be squirming
Perfect	V-ing perfect
I could have squirmed you could have squirmed he could have squirmed we could have squirmed you could have squirmed they could have squirmed	I could have been squirming you could have been squirming he could have been squirming we could have been squirming you could have been squirming they could have been squirming

Negation

Simple form	V-ing form
I couldn't squirm you couldn't squirm he couldn't squirm we couldn't squirm you couldn't squirm they couldn't squirm	I couldn't be squirming you couldn't be squirming he couldn't be squirming we couldn't be squirming you couldn't be squirming they couldn't be squirming
Perfect	V-ing perfect
I couldn't have squirmed you couldn't have squirmed he couldn't have squirmed we couldn't have squirmed you couldn't have squirmed they couldn't have squirmed	I couldn't have been squirming you couldn't have been squirming he couldn't have been squirming we couldn't have been squirming you couldn't have been squirming they couldn't have been squirming

Interrogative form

Simple form	V-ing form
could I squirm? could you squirm? could he squirm? could we squirm? could you squirm? could they squirm?	could I be squirming? could you be squirming? could he be squirming? could we be squirming? could you be squirming? could they be squirming?
Perfect	V-ing perfect
could I have squirmed? could you have squirmed? could he have squirmed? could we have squirmed? could you have squirmed? could they have squirmed?	could I have been squirming? could you have been squirming? could he have been squirming? could we have been squirming? could you have been squirming? could they have been squirming?

Interro-negative form

Simple form	V-ing form
couldn't I squirm? couldn't you squirm? couldn't he squirm? couldn't we squirm? couldn't you squirm? couldn't they squirm?	couldn't I be squirming? couldn't you be squirming? couldn't he be squirming? couldn't we be squirming? couldn't you be squirming? couldn't they be squirming?
Perfect	V-ing perfect
couldn't I have squirmed? couldn't you have squirmed? couldn't he have squirmed? couldn't we have squirmed? couldn't you have squirmed? couldn't they have squirmed?	couldn't I have been squirming? couldn't you have been squirming? couldn't he have been squirming? couldn't we have been squirming? couldn't you have been squirming? couldn't they have been squirming?