I can stand you can stand he can stand we can stand you can stand they can stand
V-ing form
I can be standing you can be standing he can be standing we can be standing you can be standing they can be standing
Perfect
I can have stood you can have stood he can have stood we can have stood you can have stood they can have stood
V-ing perfect
I can have been standing you can have been standing he can have been standing we can have been standing you can have been standing they can have been standing
Negation
Simple form
I can't stand you can't stand he can't stand we can't stand you can't stand they can't stand
V-ing form
I can't be standing you can't be standing he can't be standing we can't be standing you can't be standing they can't be standing
Perfect
I can't have stood you can't have stood he can't have stood we can't have stood you can't have stood they can't have stood
V-ing perfect
I can't have been standing you can't have been standing he can't have been standing we can't have been standing you can't have been standing they can't have been standing
Interrogative form
Simple form
can I stand? can you stand? can he stand? can we stand? can you stand? can they stand?
V-ing form
can I be standing? can you be standing? can he be standing? can we be standing? can you be standing? can they be standing?
Perfect
can I have stood? can you have stood? can he have stood? can we have stood? can you have stood? can they have stood?
V-ing perfect
can I have been standing? can you have been standing? can he have been standing? can we have been standing? can you have been standing? can they have been standing?
Interro-negative form
Simple form
can't I stand? can't you stand? can't he stand? can't we stand? can't you stand? can't they stand?
V-ing form
can't I be standing? can't you be standing? can't he be standing? can't we be standing? can't you be standing? can't they be standing?
Perfect
can't I have stood? can't you have stood? can't he have stood? can't we have stood? can't you have stood? can't they have stood?
V-ing perfect
can't I have been standing? can't you have been standing? can't he have been standing? can't we have been standing? can't you have been standing? can't they have been standing?