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 cannot blotch you cannot blotch he cannot blotch we cannot blotch you cannot blotch they cannot blotch
V-ing form
I cannot be blotching you cannot be blotching he cannot be blotching we cannot be blotching you cannot be blotching they cannot be blotching
Perfect
I cannot have blotched you cannot have blotched he cannot have blotched we cannot have blotched you cannot have blotched they cannot have blotched
V-ing perfect
I cannot have been blotching you cannot have been blotching he cannot have been blotching we cannot have been blotching you cannot have been blotching they cannot 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 I not blotch? can you not blotch? can he not blotch? can we not blotch? can you not blotch? can they not blotch?
V-ing form
can I not be blotching? can you not be blotching? can he not be blotching? can we not be blotching? can you not be blotching? can they not be blotching?
Perfect
can I not have blotched? can you not have blotched? can he not have blotched? can we not have blotched? can you not have blotched? can they not have blotched?
V-ing perfect
can I not have been blotching? can you not have been blotching? can he not have been blotching? can we not have been blotching? can you not have been blotching? can they not have been blotching?