English verb conjugation
COULD PROVOKE

Regular verb: provoke - provoked - provoked

Affirmation

Simple form	V-ing form
I could provoke you could provoke she could provoke we could provoke you could provoke they could provoke	I could be provoking you could be provoking she could be provoking we could be provoking you could be provoking they could be provoking
Perfect	V-ing perfect
I could have provoked you could have provoked she could have provoked we could have provoked you could have provoked they could have provoked	I could have been provoking you could have been provoking she could have been provoking we could have been provoking you could have been provoking they could have been provoking

Negation

Simple form	V-ing form
I couldn't provoke you couldn't provoke she couldn't provoke we couldn't provoke you couldn't provoke they couldn't provoke	I couldn't be provoking you couldn't be provoking she couldn't be provoking we couldn't be provoking you couldn't be provoking they couldn't be provoking
Perfect	V-ing perfect
I couldn't have provoked you couldn't have provoked she couldn't have provoked we couldn't have provoked you couldn't have provoked they couldn't have provoked	I couldn't have been provoking you couldn't have been provoking she couldn't have been provoking we couldn't have been provoking you couldn't have been provoking they couldn't have been provoking

Interrogative form

Simple form	V-ing form
could I provoke? could you provoke? could she provoke? could we provoke? could you provoke? could they provoke?	could I be provoking? could you be provoking? could she be provoking? could we be provoking? could you be provoking? could they be provoking?
Perfect	V-ing perfect
could I have provoked? could you have provoked? could she have provoked? could we have provoked? could you have provoked? could they have provoked?	could I have been provoking? could you have been provoking? could she have been provoking? could we have been provoking? could you have been provoking? could they have been provoking?

Interro-negative form

Simple form	V-ing form
couldn't I provoke? couldn't you provoke? couldn't she provoke? couldn't we provoke? couldn't you provoke? couldn't they provoke?	couldn't I be provoking? couldn't you be provoking? couldn't she be provoking? couldn't we be provoking? couldn't you be provoking? couldn't they be provoking?
Perfect	V-ing perfect
couldn't I have provoked? couldn't you have provoked? couldn't she have provoked? couldn't we have provoked? couldn't you have provoked? couldn't they have provoked?	couldn't I have been provoking? couldn't you have been provoking? couldn't she have been provoking? couldn't we have been provoking? couldn't you have been provoking? couldn't they have been provoking?