English verb conjugation
COULD EVANESCE

Regular verb: evanesce - evanesced - evanesced

Affirmation

Simple form	V-ing form
I could evanesce you could evanesce she could evanesce we could evanesce you could evanesce they could evanesce	I could be evanescing you could be evanescing she could be evanescing we could be evanescing you could be evanescing they could be evanescing
Perfect	V-ing perfect
I could have evanesced you could have evanesced she could have evanesced we could have evanesced you could have evanesced they could have evanesced	I could have been evanescing you could have been evanescing she could have been evanescing we could have been evanescing you could have been evanescing they could have been evanescing

Negation

Simple form	V-ing form
I couldn't evanesce you couldn't evanesce she couldn't evanesce we couldn't evanesce you couldn't evanesce they couldn't evanesce	I couldn't be evanescing you couldn't be evanescing she couldn't be evanescing we couldn't be evanescing you couldn't be evanescing they couldn't be evanescing
Perfect	V-ing perfect
I couldn't have evanesced you couldn't have evanesced she couldn't have evanesced we couldn't have evanesced you couldn't have evanesced they couldn't have evanesced	I couldn't have been evanescing you couldn't have been evanescing she couldn't have been evanescing we couldn't have been evanescing you couldn't have been evanescing they couldn't have been evanescing

Interrogative form

Simple form	V-ing form
could I evanesce? could you evanesce? could she evanesce? could we evanesce? could you evanesce? could they evanesce?	could I be evanescing? could you be evanescing? could she be evanescing? could we be evanescing? could you be evanescing? could they be evanescing?
Perfect	V-ing perfect
could I have evanesced? could you have evanesced? could she have evanesced? could we have evanesced? could you have evanesced? could they have evanesced?	could I have been evanescing? could you have been evanescing? could she have been evanescing? could we have been evanescing? could you have been evanescing? could they have been evanescing?

Interro-negative form

Simple form	V-ing form
couldn't I evanesce? couldn't you evanesce? couldn't she evanesce? couldn't we evanesce? couldn't you evanesce? couldn't they evanesce?	couldn't I be evanescing? couldn't you be evanescing? couldn't she be evanescing? couldn't we be evanescing? couldn't you be evanescing? couldn't they be evanescing?
Perfect	V-ing perfect
couldn't I have evanesced? couldn't you have evanesced? couldn't she have evanesced? couldn't we have evanesced? couldn't you have evanesced? couldn't they have evanesced?	couldn't I have been evanescing? couldn't you have been evanescing? couldn't she have been evanescing? couldn't we have been evanescing? couldn't you have been evanescing? couldn't they have been evanescing?