English verb conjugation
COULD UNMUZZLE

Regular verb: unmuzzle - unmuzzled - unmuzzled

Affirmation

Simple form	V-ing form
I could unmuzzle you could unmuzzle she could unmuzzle we could unmuzzle you could unmuzzle they could unmuzzle	I could be unmuzzling you could be unmuzzling she could be unmuzzling we could be unmuzzling you could be unmuzzling they could be unmuzzling
Perfect	V-ing perfect
I could have unmuzzled you could have unmuzzled she could have unmuzzled we could have unmuzzled you could have unmuzzled they could have unmuzzled	I could have been unmuzzling you could have been unmuzzling she could have been unmuzzling we could have been unmuzzling you could have been unmuzzling they could have been unmuzzling

Negation

Simple form	V-ing form
I could not unmuzzle you could not unmuzzle she could not unmuzzle we could not unmuzzle you could not unmuzzle they could not unmuzzle	I could not be unmuzzling you could not be unmuzzling she could not be unmuzzling we could not be unmuzzling you could not be unmuzzling they could not be unmuzzling
Perfect	V-ing perfect
I could not have unmuzzled you could not have unmuzzled she could not have unmuzzled we could not have unmuzzled you could not have unmuzzled they could not have unmuzzled	I could not have been unmuzzling you could not have been unmuzzling she could not have been unmuzzling we could not have been unmuzzling you could not have been unmuzzling they could not have been unmuzzling

Interrogative form

Simple form	V-ing form
could I unmuzzle? could you unmuzzle? could she unmuzzle? could we unmuzzle? could you unmuzzle? could they unmuzzle?	could I be unmuzzling? could you be unmuzzling? could she be unmuzzling? could we be unmuzzling? could you be unmuzzling? could they be unmuzzling?
Perfect	V-ing perfect
could I have unmuzzled? could you have unmuzzled? could she have unmuzzled? could we have unmuzzled? could you have unmuzzled? could they have unmuzzled?	could I have been unmuzzling? could you have been unmuzzling? could she have been unmuzzling? could we have been unmuzzling? could you have been unmuzzling? could they have been unmuzzling?

Interro-negative form

Simple form	V-ing form
could I not unmuzzle? could you not unmuzzle? could she not unmuzzle? could we not unmuzzle? could you not unmuzzle? could they not unmuzzle?	could I not be unmuzzling? could you not be unmuzzling? could she not be unmuzzling? could we not be unmuzzling? could you not be unmuzzling? could they not be unmuzzling?
Perfect	V-ing perfect
could I not have unmuzzled? could you not have unmuzzled? could she not have unmuzzled? could we not have unmuzzled? could you not have unmuzzled? could they not have unmuzzled?	could I not have been unmuzzling? could you not have been unmuzzling? could she not have been unmuzzling? could we not have been unmuzzling? could you not have been unmuzzling? could they not have been unmuzzling?