I can blotch you can blotch he can blotch we can blotch you can blotch they can blotch
V-ing form
I can be blotching you can be blotching he can be blotching we can be blotching you can be blotching they can be blotching
Perfect
I can have blotched you can have blotched he can have blotched we can have blotched you can have blotched they can have blotched
V-ing perfect
I can have been blotching you can have been blotching he can have been blotching we can have been blotching you can have been blotching they can have been blotching
Negation
Simple form
I can't blotch you can't blotch he can't blotch we can't blotch you can't blotch they can't blotch
V-ing form
I can't be blotching you can't be blotching he can't be blotching we can't be blotching you can't be blotching they can't be blotching
Perfect
I can't have blotched you can't have blotched he can't have blotched we can't have blotched you can't have blotched they can't have blotched
V-ing perfect
I can't have been blotching you can't have been blotching he can't have been blotching we can't have been blotching you can't have been blotching they can't have been blotching
Interrogative form
Simple form
can I blotch? can you blotch? can he blotch? can we blotch? can you blotch? can they blotch?
V-ing form
can I be blotching? can you be blotching? can he be blotching? can we be blotching? can you be blotching? can they be blotching?
Perfect
can I have blotched? can you have blotched? can he have blotched? can we have blotched? can you have blotched? can they have blotched?
V-ing perfect
can I have been blotching? can you have been blotching? can he have been blotching? can we have been blotching? can you have been blotching? can they have been blotching?
Interro-negative form
Simple form
can't I blotch? can't you blotch? can't he blotch? can't we blotch? can't you blotch? can't they blotch?
V-ing form
can't I be blotching? can't you be blotching? can't he be blotching? can't we be blotching? can't you be blotching? can't they be blotching?
Perfect
can't I have blotched? can't you have blotched? can't he have blotched? can't we have blotched? can't you have blotched? can't they have blotched?
V-ing perfect
can't I have been blotching? can't you have been blotching? can't he have been blotching? can't we have been blotching? can't you have been blotching? can't they have been blotching?