English verb conjugation
COULD NERVE

Regular verb: nerve - nerved - nerved

Affirmation

Simple form	V-ing form
I could nerve you could nerve he could nerve we could nerve you could nerve they could nerve	I could be nerving you could be nerving he could be nerving we could be nerving you could be nerving they could be nerving
Perfect	V-ing perfect
I could have nerved you could have nerved he could have nerved we could have nerved you could have nerved they could have nerved	I could have been nerving you could have been nerving he could have been nerving we could have been nerving you could have been nerving they could have been nerving

Negation

Simple form	V-ing form
I couldn't nerve you couldn't nerve he couldn't nerve we couldn't nerve you couldn't nerve they couldn't nerve	I couldn't be nerving you couldn't be nerving he couldn't be nerving we couldn't be nerving you couldn't be nerving they couldn't be nerving
Perfect	V-ing perfect
I couldn't have nerved you couldn't have nerved he couldn't have nerved we couldn't have nerved you couldn't have nerved they couldn't have nerved	I couldn't have been nerving you couldn't have been nerving he couldn't have been nerving we couldn't have been nerving you couldn't have been nerving they couldn't have been nerving

Interrogative form

Simple form	V-ing form
could I nerve? could you nerve? could he nerve? could we nerve? could you nerve? could they nerve?	could I be nerving? could you be nerving? could he be nerving? could we be nerving? could you be nerving? could they be nerving?
Perfect	V-ing perfect
could I have nerved? could you have nerved? could he have nerved? could we have nerved? could you have nerved? could they have nerved?	could I have been nerving? could you have been nerving? could he have been nerving? could we have been nerving? could you have been nerving? could they have been nerving?

Interro-negative form

Simple form	V-ing form
couldn't I nerve? couldn't you nerve? couldn't he nerve? couldn't we nerve? couldn't you nerve? couldn't they nerve?	couldn't I be nerving? couldn't you be nerving? couldn't he be nerving? couldn't we be nerving? couldn't you be nerving? couldn't they be nerving?
Perfect	V-ing perfect
couldn't I have nerved? couldn't you have nerved? couldn't he have nerved? couldn't we have nerved? couldn't you have nerved? couldn't they have nerved?	couldn't I have been nerving? couldn't you have been nerving? couldn't he have been nerving? couldn't we have been nerving? couldn't you have been nerving? couldn't they have been nerving?