I can flog you can flog he can flog we can flog you can flog they can flog
V-ing form
I can be flogging you can be flogging he can be flogging we can be flogging you can be flogging they can be flogging
Perfect
I can have flogged you can have flogged he can have flogged we can have flogged you can have flogged they can have flogged
V-ing perfect
I can have been flogging you can have been flogging he can have been flogging we can have been flogging you can have been flogging they can have been flogging
Negation
Simple form
I cannot flog you cannot flog he cannot flog we cannot flog you cannot flog they cannot flog
V-ing form
I cannot be flogging you cannot be flogging he cannot be flogging we cannot be flogging you cannot be flogging they cannot be flogging
Perfect
I cannot have flogged you cannot have flogged he cannot have flogged we cannot have flogged you cannot have flogged they cannot have flogged
V-ing perfect
I cannot have been flogging you cannot have been flogging he cannot have been flogging we cannot have been flogging you cannot have been flogging they cannot have been flogging
Interrogative form
Simple form
can I flog? can you flog? can he flog? can we flog? can you flog? can they flog?
V-ing form
can I be flogging? can you be flogging? can he be flogging? can we be flogging? can you be flogging? can they be flogging?
Perfect
can I have flogged? can you have flogged? can he have flogged? can we have flogged? can you have flogged? can they have flogged?
V-ing perfect
can I have been flogging? can you have been flogging? can he have been flogging? can we have been flogging? can you have been flogging? can they have been flogging?
Interro-negative form
Simple form
can I not flog? can you not flog? can he not flog? can we not flog? can you not flog? can they not flog?
V-ing form
can I not be flogging? can you not be flogging? can he not be flogging? can we not be flogging? can you not be flogging? can they not be flogging?
Perfect
can I not have flogged? can you not have flogged? can he not have flogged? can we not have flogged? can you not have flogged? can they not have flogged?
V-ing perfect
can I not have been flogging? can you not have been flogging? can he not have been flogging? can we not have been flogging? can you not have been flogging? can they not have been flogging?