English verb conjugation
COULD EVINCE

Regular verb: evince - evinced - evinced

Affirmation

Simple form	V-ing form
I could evince you could evince he could evince we could evince you could evince they could evince	I could be evincing you could be evincing he could be evincing we could be evincing you could be evincing they could be evincing
Perfect	V-ing perfect
I could have evinced you could have evinced he could have evinced we could have evinced you could have evinced they could have evinced	I could have been evincing you could have been evincing he could have been evincing we could have been evincing you could have been evincing they could have been evincing

Negation

Simple form	V-ing form
I could not evince you could not evince he could not evince we could not evince you could not evince they could not evince	I could not be evincing you could not be evincing he could not be evincing we could not be evincing you could not be evincing they could not be evincing
Perfect	V-ing perfect
I could not have evinced you could not have evinced he could not have evinced we could not have evinced you could not have evinced they could not have evinced	I could not have been evincing you could not have been evincing he could not have been evincing we could not have been evincing you could not have been evincing they could not have been evincing

Interrogative form

Simple form	V-ing form
could I evince? could you evince? could he evince? could we evince? could you evince? could they evince?	could I be evincing? could you be evincing? could he be evincing? could we be evincing? could you be evincing? could they be evincing?
Perfect	V-ing perfect
could I have evinced? could you have evinced? could he have evinced? could we have evinced? could you have evinced? could they have evinced?	could I have been evincing? could you have been evincing? could he have been evincing? could we have been evincing? could you have been evincing? could they have been evincing?

Interro-negative form

Simple form	V-ing form
could I not evince? could you not evince? could he not evince? could we not evince? could you not evince? could they not evince?	could I not be evincing? could you not be evincing? could he not be evincing? could we not be evincing? could you not be evincing? could they not be evincing?
Perfect	V-ing perfect
could I not have evinced? could you not have evinced? could he not have evinced? could we not have evinced? could you not have evinced? could they not have evinced?	could I not have been evincing? could you not have been evincing? could he not have been evincing? could we not have been evincing? could you not have been evincing? could they not have been evincing?