I can permit you can permit he can permit we can permit you can permit they can permit
V-ing form
I can be permitting you can be permitting he can be permitting we can be permitting you can be permitting they can be permitting
Perfect
I can have permitted you can have permitted he 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 he 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 he cannot permit we cannot permit you cannot permit they cannot permit
V-ing form
I cannot be permitting you cannot be permitting he cannot be permitting we cannot be permitting you cannot be permitting they cannot be permitting
Perfect
I cannot have permitted you cannot have permitted he 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 he 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 he permit? can we permit? can you permit? can they permit?
V-ing form
can I be permitting? can you be permitting? can he be permitting? can we be permitting? can you be permitting? can they be permitting?
Perfect
can I have permitted? can you have permitted? can he 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 he 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 he 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 he 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 he 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 he not have been permitting? can we not have been permitting? can you not have been permitting? can they not have been permitting?