I can muzzle you can muzzle he can muzzle we can muzzle you can muzzle they can muzzle
V-ing form
I can be muzzling you can be muzzling he can be muzzling we can be muzzling you can be muzzling they can be muzzling
Perfect
I can have muzzled you can have muzzled he can have muzzled we can have muzzled you can have muzzled they can have muzzled
V-ing perfect
I can have been muzzling you can have been muzzling he can have been muzzling we can have been muzzling you can have been muzzling they can have been muzzling
Negation
Simple form
I cannot muzzle you cannot muzzle he cannot muzzle we cannot muzzle you cannot muzzle they cannot muzzle
V-ing form
I cannot be muzzling you cannot be muzzling he cannot be muzzling we cannot be muzzling you cannot be muzzling they cannot be muzzling
Perfect
I cannot have muzzled you cannot have muzzled he cannot have muzzled we cannot have muzzled you cannot have muzzled they cannot have muzzled
V-ing perfect
I cannot have been muzzling you cannot have been muzzling he cannot have been muzzling we cannot have been muzzling you cannot have been muzzling they cannot have been muzzling
Interrogative form
Simple form
can I muzzle? can you muzzle? can he muzzle? can we muzzle? can you muzzle? can they muzzle?
V-ing form
can I be muzzling? can you be muzzling? can he be muzzling? can we be muzzling? can you be muzzling? can they be muzzling?
Perfect
can I have muzzled? can you have muzzled? can he have muzzled? can we have muzzled? can you have muzzled? can they have muzzled?
V-ing perfect
can I have been muzzling? can you have been muzzling? can he have been muzzling? can we have been muzzling? can you have been muzzling? can they have been muzzling?
Interro-negative form
Simple form
can I not muzzle? can you not muzzle? can he not muzzle? can we not muzzle? can you not muzzle? can they not muzzle?
V-ing form
can I not be muzzling? can you not be muzzling? can he not be muzzling? can we not be muzzling? can you not be muzzling? can they not be muzzling?
Perfect
can I not have muzzled? can you not have muzzled? can he not have muzzled? can we not have muzzled? can you not have muzzled? can they not have muzzled?
V-ing perfect
can I not have been muzzling? can you not have been muzzling? can he not have been muzzling? can we not have been muzzling? can you not have been muzzling? can they not have been muzzling?