I can permit you can permit she can permit we can permit you can permit they can permit
V-ing form
I can be permitting you can be permitting she can be permitting we can be permitting you can be permitting they can be permitting
Perfect
I can have permitted you can have permitted she can have permitted we can have permitted you can have permitted they can have permitted
V-ing perfect
I can have been permitting you can have been permitting she can have been permitting we can have been permitting you can have been permitting they can have been permitting
Negation
Simple form
I cannot permit you cannot permit she cannot permit we cannot permit you cannot permit they cannot permit
V-ing form
I cannot be permitting you cannot be permitting she cannot be permitting we cannot be permitting you cannot be permitting they cannot be permitting
Perfect
I cannot have permitted you cannot have permitted she cannot have permitted we cannot have permitted you cannot have permitted they cannot have permitted
V-ing perfect
I cannot have been permitting you cannot have been permitting she cannot have been permitting we cannot have been permitting you cannot have been permitting they cannot have been permitting
Interrogative form
Simple form
can I permit? can you permit? can she permit? can we permit? can you permit? can they permit?
V-ing form
can I be permitting? can you be permitting? can she be permitting? can we be permitting? can you be permitting? can they be permitting?
Perfect
can I have permitted? can you have permitted? can she have permitted? can we have permitted? can you have permitted? can they have permitted?
V-ing perfect
can I have been permitting? can you have been permitting? can she have been permitting? can we have been permitting? can you have been permitting? can they have been permitting?
Interro-negative form
Simple form
can I not permit? can you not permit? can she not permit? can we not permit? can you not permit? can they not permit?
V-ing form
can I not be permitting? can you not be permitting? can she not be permitting? can we not be permitting? can you not be permitting? can they not be permitting?
Perfect
can I not have permitted? can you not have permitted? can she not have permitted? can we not have permitted? can you not have permitted? can they not have permitted?
V-ing perfect
can I not have been permitting? can you not have been permitting? can she not have been permitting? can we not have been permitting? can you not have been permitting? can they not have been permitting?