I can ear you can ear she can ear we can ear you can ear they can ear
V-ing form
I can be earing you can be earing she can be earing we can be earing you can be earing they can be earing
Perfect
I can have eared you can have eared she can have eared we can have eared you can have eared they can have eared
V-ing perfect
I can have been earing you can have been earing she can have been earing we can have been earing you can have been earing they can have been earing
Negation
Simple form
I cannot ear you cannot ear she cannot ear we cannot ear you cannot ear they cannot ear
V-ing form
I cannot be earing you cannot be earing she cannot be earing we cannot be earing you cannot be earing they cannot be earing
Perfect
I cannot have eared you cannot have eared she cannot have eared we cannot have eared you cannot have eared they cannot have eared
V-ing perfect
I cannot have been earing you cannot have been earing she cannot have been earing we cannot have been earing you cannot have been earing they cannot have been earing
Interrogative form
Simple form
can I ear? can you ear? can she ear? can we ear? can you ear? can they ear?
V-ing form
can I be earing? can you be earing? can she be earing? can we be earing? can you be earing? can they be earing?
Perfect
can I have eared? can you have eared? can she have eared? can we have eared? can you have eared? can they have eared?
V-ing perfect
can I have been earing? can you have been earing? can she have been earing? can we have been earing? can you have been earing? can they have been earing?
Interro-negative form
Simple form
can I not ear? can you not ear? can she not ear? can we not ear? can you not ear? can they not ear?
V-ing form
can I not be earing? can you not be earing? can she not be earing? can we not be earing? can you not be earing? can they not be earing?
Perfect
can I not have eared? can you not have eared? can she not have eared? can we not have eared? can you not have eared? can they not have eared?
V-ing perfect
can I not have been earing? can you not have been earing? can she not have been earing? can we not have been earing? can you not have been earing? can they not have been earing?