I can supply you can supply he can supply we can supply you can supply they can supply
V-ing form
I can be supplying you can be supplying he can be supplying we can be supplying you can be supplying they can be supplying
Perfect
I can have supplied you can have supplied he can have supplied we can have supplied you can have supplied they can have supplied
V-ing perfect
I can have been supplying you can have been supplying he can have been supplying we can have been supplying you can have been supplying they can have been supplying
Negation
Simple form
I can't supply you can't supply he can't supply we can't supply you can't supply they can't supply
V-ing form
I can't be supplying you can't be supplying he can't be supplying we can't be supplying you can't be supplying they can't be supplying
Perfect
I can't have supplied you can't have supplied he can't have supplied we can't have supplied you can't have supplied they can't have supplied
V-ing perfect
I can't have been supplying you can't have been supplying he can't have been supplying we can't have been supplying you can't have been supplying they can't have been supplying
Interrogative form
Simple form
can I supply? can you supply? can he supply? can we supply? can you supply? can they supply?
V-ing form
can I be supplying? can you be supplying? can he be supplying? can we be supplying? can you be supplying? can they be supplying?
Perfect
can I have supplied? can you have supplied? can he have supplied? can we have supplied? can you have supplied? can they have supplied?
V-ing perfect
can I have been supplying? can you have been supplying? can he have been supplying? can we have been supplying? can you have been supplying? can they have been supplying?
Interro-negative form
Simple form
can't I supply? can't you supply? can't he supply? can't we supply? can't you supply? can't they supply?
V-ing form
can't I be supplying? can't you be supplying? can't he be supplying? can't we be supplying? can't you be supplying? can't they be supplying?
Perfect
can't I have supplied? can't you have supplied? can't he have supplied? can't we have supplied? can't you have supplied? can't they have supplied?
V-ing perfect
can't I have been supplying? can't you have been supplying? can't he have been supplying? can't we have been supplying? can't you have been supplying? can't they have been supplying?