English verb conjugation
COULD EVAGINATE

Regular verb: evaginate - evaginated - evaginated

Affirmation

Simple form	V-ing form
I could evaginate you could evaginate he could evaginate we could evaginate you could evaginate they could evaginate	I could be evaginating you could be evaginating he could be evaginating we could be evaginating you could be evaginating they could be evaginating
Perfect	V-ing perfect
I could have evaginated you could have evaginated he could have evaginated we could have evaginated you could have evaginated they could have evaginated	I could have been evaginating you could have been evaginating he could have been evaginating we could have been evaginating you could have been evaginating they could have been evaginating

Negation

Simple form	V-ing form
I couldn't evaginate you couldn't evaginate he couldn't evaginate we couldn't evaginate you couldn't evaginate they couldn't evaginate	I couldn't be evaginating you couldn't be evaginating he couldn't be evaginating we couldn't be evaginating you couldn't be evaginating they couldn't be evaginating
Perfect	V-ing perfect
I couldn't have evaginated you couldn't have evaginated he couldn't have evaginated we couldn't have evaginated you couldn't have evaginated they couldn't have evaginated	I couldn't have been evaginating you couldn't have been evaginating he couldn't have been evaginating we couldn't have been evaginating you couldn't have been evaginating they couldn't have been evaginating

Interrogative form

Simple form	V-ing form
could I evaginate? could you evaginate? could he evaginate? could we evaginate? could you evaginate? could they evaginate?	could I be evaginating? could you be evaginating? could he be evaginating? could we be evaginating? could you be evaginating? could they be evaginating?
Perfect	V-ing perfect
could I have evaginated? could you have evaginated? could he have evaginated? could we have evaginated? could you have evaginated? could they have evaginated?	could I have been evaginating? could you have been evaginating? could he have been evaginating? could we have been evaginating? could you have been evaginating? could they have been evaginating?

Interro-negative form

Simple form	V-ing form
couldn't I evaginate? couldn't you evaginate? couldn't he evaginate? couldn't we evaginate? couldn't you evaginate? couldn't they evaginate?	couldn't I be evaginating? couldn't you be evaginating? couldn't he be evaginating? couldn't we be evaginating? couldn't you be evaginating? couldn't they be evaginating?
Perfect	V-ing perfect
couldn't I have evaginated? couldn't you have evaginated? couldn't he have evaginated? couldn't we have evaginated? couldn't you have evaginated? couldn't they have evaginated?	couldn't I have been evaginating? couldn't you have been evaginating? couldn't he have been evaginating? couldn't we have been evaginating? couldn't you have been evaginating? couldn't they have been evaginating?