English verb conjugation
COULD UNNERVE

Regular verb: unnerve - unnerved - unnerved

Affirmation

Simple form	V-ing form
I could unnerve you could unnerve he could unnerve we could unnerve you could unnerve they could unnerve	I could be unnerving you could be unnerving he could be unnerving we could be unnerving you could be unnerving they could be unnerving
Perfect	V-ing perfect
I could have unnerved you could have unnerved he could have unnerved we could have unnerved you could have unnerved they could have unnerved	I could have been unnerving you could have been unnerving he could have been unnerving we could have been unnerving you could have been unnerving they could have been unnerving

Negation

Simple form	V-ing form
I couldn't unnerve you couldn't unnerve he couldn't unnerve we couldn't unnerve you couldn't unnerve they couldn't unnerve	I couldn't be unnerving you couldn't be unnerving he couldn't be unnerving we couldn't be unnerving you couldn't be unnerving they couldn't be unnerving
Perfect	V-ing perfect
I couldn't have unnerved you couldn't have unnerved he couldn't have unnerved we couldn't have unnerved you couldn't have unnerved they couldn't have unnerved	I couldn't have been unnerving you couldn't have been unnerving he couldn't have been unnerving we couldn't have been unnerving you couldn't have been unnerving they couldn't have been unnerving

Interrogative form

Simple form	V-ing form
could I unnerve? could you unnerve? could he unnerve? could we unnerve? could you unnerve? could they unnerve?	could I be unnerving? could you be unnerving? could he be unnerving? could we be unnerving? could you be unnerving? could they be unnerving?
Perfect	V-ing perfect
could I have unnerved? could you have unnerved? could he have unnerved? could we have unnerved? could you have unnerved? could they have unnerved?	could I have been unnerving? could you have been unnerving? could he have been unnerving? could we have been unnerving? could you have been unnerving? could they have been unnerving?

Interro-negative form

Simple form	V-ing form
couldn't I unnerve? couldn't you unnerve? couldn't he unnerve? couldn't we unnerve? couldn't you unnerve? couldn't they unnerve?	couldn't I be unnerving? couldn't you be unnerving? couldn't he be unnerving? couldn't we be unnerving? couldn't you be unnerving? couldn't they be unnerving?
Perfect	V-ing perfect
couldn't I have unnerved? couldn't you have unnerved? couldn't he have unnerved? couldn't we have unnerved? couldn't you have unnerved? couldn't they have unnerved?	couldn't I have been unnerving? couldn't you have been unnerving? couldn't he have been unnerving? couldn't we have been unnerving? couldn't you have been unnerving? couldn't they have been unnerving?