English verb conjugation
COULD POKE

Regular verb: poke - poked - poked

Affirmation

Simple form	V-ing form
I could poke you could poke she could poke we could poke you could poke they could poke	I could be poking you could be poking she could be poking we could be poking you could be poking they could be poking
Perfect	V-ing perfect
I could have poked you could have poked she could have poked we could have poked you could have poked they could have poked	I could have been poking you could have been poking she could have been poking we could have been poking you could have been poking they could have been poking

Negation

Simple form	V-ing form
I couldn't poke you couldn't poke she couldn't poke we couldn't poke you couldn't poke they couldn't poke	I couldn't be poking you couldn't be poking she couldn't be poking we couldn't be poking you couldn't be poking they couldn't be poking
Perfect	V-ing perfect
I couldn't have poked you couldn't have poked she couldn't have poked we couldn't have poked you couldn't have poked they couldn't have poked	I couldn't have been poking you couldn't have been poking she couldn't have been poking we couldn't have been poking you couldn't have been poking they couldn't have been poking

Interrogative form

Simple form	V-ing form
could I poke? could you poke? could she poke? could we poke? could you poke? could they poke?	could I be poking? could you be poking? could she be poking? could we be poking? could you be poking? could they be poking?
Perfect	V-ing perfect
could I have poked? could you have poked? could she have poked? could we have poked? could you have poked? could they have poked?	could I have been poking? could you have been poking? could she have been poking? could we have been poking? could you have been poking? could they have been poking?

Interro-negative form

Simple form	V-ing form
couldn't I poke? couldn't you poke? couldn't she poke? couldn't we poke? couldn't you poke? couldn't they poke?	couldn't I be poking? couldn't you be poking? couldn't she be poking? couldn't we be poking? couldn't you be poking? couldn't they be poking?
Perfect	V-ing perfect
couldn't I have poked? couldn't you have poked? couldn't she have poked? couldn't we have poked? couldn't you have poked? couldn't they have poked?	couldn't I have been poking? couldn't you have been poking? couldn't she have been poking? couldn't we have been poking? couldn't you have been poking? couldn't they have been poking?