English verb conjugation
COULD UNCHOKE

Regular verb: unchoke - unchoked - unchoked

Affirmation

Simple form	V-ing form
I could unchoke you could unchoke he could unchoke we could unchoke you could unchoke they could unchoke	I could be unchoking you could be unchoking he could be unchoking we could be unchoking you could be unchoking they could be unchoking
Perfect	V-ing perfect
I could have unchoked you could have unchoked he could have unchoked we could have unchoked you could have unchoked they could have unchoked	I could have been unchoking you could have been unchoking he could have been unchoking we could have been unchoking you could have been unchoking they could have been unchoking

Negation

Simple form	V-ing form
I couldn't unchoke you couldn't unchoke he couldn't unchoke we couldn't unchoke you couldn't unchoke they couldn't unchoke	I couldn't be unchoking you couldn't be unchoking he couldn't be unchoking we couldn't be unchoking you couldn't be unchoking they couldn't be unchoking
Perfect	V-ing perfect
I couldn't have unchoked you couldn't have unchoked he couldn't have unchoked we couldn't have unchoked you couldn't have unchoked they couldn't have unchoked	I couldn't have been unchoking you couldn't have been unchoking he couldn't have been unchoking we couldn't have been unchoking you couldn't have been unchoking they couldn't have been unchoking

Interrogative form

Simple form	V-ing form
could I unchoke? could you unchoke? could he unchoke? could we unchoke? could you unchoke? could they unchoke?	could I be unchoking? could you be unchoking? could he be unchoking? could we be unchoking? could you be unchoking? could they be unchoking?
Perfect	V-ing perfect
could I have unchoked? could you have unchoked? could he have unchoked? could we have unchoked? could you have unchoked? could they have unchoked?	could I have been unchoking? could you have been unchoking? could he have been unchoking? could we have been unchoking? could you have been unchoking? could they have been unchoking?

Interro-negative form

Simple form	V-ing form
couldn't I unchoke? couldn't you unchoke? couldn't he unchoke? couldn't we unchoke? couldn't you unchoke? couldn't they unchoke?	couldn't I be unchoking? couldn't you be unchoking? couldn't he be unchoking? couldn't we be unchoking? couldn't you be unchoking? couldn't they be unchoking?
Perfect	V-ing perfect
couldn't I have unchoked? couldn't you have unchoked? couldn't he have unchoked? couldn't we have unchoked? couldn't you have unchoked? couldn't they have unchoked?	couldn't I have been unchoking? couldn't you have been unchoking? couldn't he have been unchoking? couldn't we have been unchoking? couldn't you have been unchoking? couldn't they have been unchoking?