English verb conjugation
COULD EVOKE

Regular verb: evoke - evoked - evoked

Affirmation

Simple form	V-ing form
I could evoke you could evoke she could evoke we could evoke you could evoke they could evoke	I could be evoking you could be evoking she could be evoking we could be evoking you could be evoking they could be evoking
Perfect	V-ing perfect
I could have evoked you could have evoked she could have evoked we could have evoked you could have evoked they could have evoked	I could have been evoking you could have been evoking she could have been evoking we could have been evoking you could have been evoking they could have been evoking

Negation

Simple form	V-ing form
I couldn't evoke you couldn't evoke she couldn't evoke we couldn't evoke you couldn't evoke they couldn't evoke	I couldn't be evoking you couldn't be evoking she couldn't be evoking we couldn't be evoking you couldn't be evoking they couldn't be evoking
Perfect	V-ing perfect
I couldn't have evoked you couldn't have evoked she couldn't have evoked we couldn't have evoked you couldn't have evoked they couldn't have evoked	I couldn't have been evoking you couldn't have been evoking she couldn't have been evoking we couldn't have been evoking you couldn't have been evoking they couldn't have been evoking

Interrogative form

Simple form	V-ing form
could I evoke? could you evoke? could she evoke? could we evoke? could you evoke? could they evoke?	could I be evoking? could you be evoking? could she be evoking? could we be evoking? could you be evoking? could they be evoking?
Perfect	V-ing perfect
could I have evoked? could you have evoked? could she have evoked? could we have evoked? could you have evoked? could they have evoked?	could I have been evoking? could you have been evoking? could she have been evoking? could we have been evoking? could you have been evoking? could they have been evoking?

Interro-negative form

Simple form	V-ing form
couldn't I evoke? couldn't you evoke? couldn't she evoke? couldn't we evoke? couldn't you evoke? couldn't they evoke?	couldn't I be evoking? couldn't you be evoking? couldn't she be evoking? couldn't we be evoking? couldn't you be evoking? couldn't they be evoking?
Perfect	V-ing perfect
couldn't I have evoked? couldn't you have evoked? couldn't she have evoked? couldn't we have evoked? couldn't you have evoked? couldn't they have evoked?	couldn't I have been evoking? couldn't you have been evoking? couldn't she have been evoking? couldn't we have been evoking? couldn't you have been evoking? couldn't they have been evoking?