I can besmirch you can besmirch he can besmirch we can besmirch you can besmirch they can besmirch
V-ing form
I can be besmirching you can be besmirching he can be besmirching we can be besmirching you can be besmirching they can be besmirching
Perfect
I can have besmirched you can have besmirched he can have besmirched we can have besmirched you can have besmirched they can have besmirched
V-ing perfect
I can have been besmirching you can have been besmirching he can have been besmirching we can have been besmirching you can have been besmirching they can have been besmirching
Negation
Simple form
I can't besmirch you can't besmirch he can't besmirch we can't besmirch you can't besmirch they can't besmirch
V-ing form
I can't be besmirching you can't be besmirching he can't be besmirching we can't be besmirching you can't be besmirching they can't be besmirching
Perfect
I can't have besmirched you can't have besmirched he can't have besmirched we can't have besmirched you can't have besmirched they can't have besmirched
V-ing perfect
I can't have been besmirching you can't have been besmirching he can't have been besmirching we can't have been besmirching you can't have been besmirching they can't have been besmirching
Interrogative form
Simple form
can I besmirch? can you besmirch? can he besmirch? can we besmirch? can you besmirch? can they besmirch?
V-ing form
can I be besmirching? can you be besmirching? can he be besmirching? can we be besmirching? can you be besmirching? can they be besmirching?
Perfect
can I have besmirched? can you have besmirched? can he have besmirched? can we have besmirched? can you have besmirched? can they have besmirched?
V-ing perfect
can I have been besmirching? can you have been besmirching? can he have been besmirching? can we have been besmirching? can you have been besmirching? can they have been besmirching?
Interro-negative form
Simple form
can't I besmirch? can't you besmirch? can't he besmirch? can't we besmirch? can't you besmirch? can't they besmirch?
V-ing form
can't I be besmirching? can't you be besmirching? can't he be besmirching? can't we be besmirching? can't you be besmirching? can't they be besmirching?
Perfect
can't I have besmirched? can't you have besmirched? can't he have besmirched? can't we have besmirched? can't you have besmirched? can't they have besmirched?
V-ing perfect
can't I have been besmirching? can't you have been besmirching? can't he have been besmirching? can't we have been besmirching? can't you have been besmirching? can't they have been besmirching?