English verb conjugation
COULD EVEN

Regular verb: even - evened - evened

Affirmation

Simple form	V-ing form
I could even you could even she could even we could even you could even they could even	I could be evening you could be evening she could be evening we could be evening you could be evening they could be evening
Perfect	V-ing perfect
I could have evened you could have evened she could have evened we could have evened you could have evened they could have evened	I could have been evening you could have been evening she could have been evening we could have been evening you could have been evening they could have been evening

Negation

Simple form	V-ing form
I couldn't even you couldn't even she couldn't even we couldn't even you couldn't even they couldn't even	I couldn't be evening you couldn't be evening she couldn't be evening we couldn't be evening you couldn't be evening they couldn't be evening
Perfect	V-ing perfect
I couldn't have evened you couldn't have evened she couldn't have evened we couldn't have evened you couldn't have evened they couldn't have evened	I couldn't have been evening you couldn't have been evening she couldn't have been evening we couldn't have been evening you couldn't have been evening they couldn't have been evening

Interrogative form

Simple form	V-ing form
could I even? could you even? could she even? could we even? could you even? could they even?	could I be evening? could you be evening? could she be evening? could we be evening? could you be evening? could they be evening?
Perfect	V-ing perfect
could I have evened? could you have evened? could she have evened? could we have evened? could you have evened? could they have evened?	could I have been evening? could you have been evening? could she have been evening? could we have been evening? could you have been evening? could they have been evening?

Interro-negative form

Simple form	V-ing form
couldn't I even? couldn't you even? couldn't she even? couldn't we even? couldn't you even? couldn't they even?	couldn't I be evening? couldn't you be evening? couldn't she be evening? couldn't we be evening? couldn't you be evening? couldn't they be evening?
Perfect	V-ing perfect
couldn't I have evened? couldn't you have evened? couldn't she have evened? couldn't we have evened? couldn't you have evened? couldn't they have evened?	couldn't I have been evening? couldn't you have been evening? couldn't she have been evening? couldn't we have been evening? couldn't you have been evening? couldn't they have been evening?