English verb conjugation
COULD MUZZLE

Regular verb: muzzle - muzzled - muzzled

Affirmation

Simple form	V-ing form
I could muzzle you could muzzle she could muzzle we could muzzle you could muzzle they could muzzle	I could be muzzling you could be muzzling she could be muzzling we could be muzzling you could be muzzling they could be muzzling
Perfect	V-ing perfect
I could have muzzled you could have muzzled she could have muzzled we could have muzzled you could have muzzled they could have muzzled	I could have been muzzling you could have been muzzling she could have been muzzling we could have been muzzling you could have been muzzling they could have been muzzling

Negation

Simple form	V-ing form
I couldn't muzzle you couldn't muzzle she couldn't muzzle we couldn't muzzle you couldn't muzzle they couldn't muzzle	I couldn't be muzzling you couldn't be muzzling she couldn't be muzzling we couldn't be muzzling you couldn't be muzzling they couldn't be muzzling
Perfect	V-ing perfect
I couldn't have muzzled you couldn't have muzzled she couldn't have muzzled we couldn't have muzzled you couldn't have muzzled they couldn't have muzzled	I couldn't have been muzzling you couldn't have been muzzling she couldn't have been muzzling we couldn't have been muzzling you couldn't have been muzzling they couldn't have been muzzling

Interrogative form

Simple form	V-ing form
could I muzzle? could you muzzle? could she muzzle? could we muzzle? could you muzzle? could they muzzle?	could I be muzzling? could you be muzzling? could she be muzzling? could we be muzzling? could you be muzzling? could they be muzzling?
Perfect	V-ing perfect
could I have muzzled? could you have muzzled? could she have muzzled? could we have muzzled? could you have muzzled? could they have muzzled?	could I have been muzzling? could you have been muzzling? could she have been muzzling? could we have been muzzling? could you have been muzzling? could they have been muzzling?

Interro-negative form

Simple form	V-ing form
couldn't I muzzle? couldn't you muzzle? couldn't she muzzle? couldn't we muzzle? couldn't you muzzle? couldn't they muzzle?	couldn't I be muzzling? couldn't you be muzzling? couldn't she be muzzling? couldn't we be muzzling? couldn't you be muzzling? couldn't they be muzzling?
Perfect	V-ing perfect
couldn't I have muzzled? couldn't you have muzzled? couldn't she have muzzled? couldn't we have muzzled? couldn't you have muzzled? couldn't they have muzzled?	couldn't I have been muzzling? couldn't you have been muzzling? couldn't she have been muzzling? couldn't we have been muzzling? couldn't you have been muzzling? couldn't they have been muzzling?