could evoke
Regular verb: evoke - evoked- evoked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?