I can stand you can stand she can stand we can stand you can stand they can stand
V-ing form
I can be standing you can be standing she can be standing we can be standing you can be standing they can be standing
Perfect
I can have stood you can have stood she 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 she 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 she 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 she 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 she 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 she 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 she stand? can we stand? can you stand? can they stand?
V-ing form
can I be standing? can you be standing? can she be standing? can we be standing? can you be standing? can they be standing?
Perfect
can I have stood? can you have stood? can she 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 she 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 she 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 she 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 she 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 she have been standing? can't we have been standing? can't you have been standing? can't they have been standing?