I can bunko you can bunko he can bunko we can bunko you can bunko they can bunko
V-ing form
I can be bunkoing you can be bunkoing he can be bunkoing we can be bunkoing you can be bunkoing they can be bunkoing
Perfect
I can have bunkoed you can have bunkoed he can have bunkoed we can have bunkoed you can have bunkoed they can have bunkoed
V-ing perfect
I can have been bunkoing you can have been bunkoing he can have been bunkoing we can have been bunkoing you can have been bunkoing they can have been bunkoing
Negation
Simple form
I cannot bunko you cannot bunko he cannot bunko we cannot bunko you cannot bunko they cannot bunko
V-ing form
I cannot be bunkoing you cannot be bunkoing he cannot be bunkoing we cannot be bunkoing you cannot be bunkoing they cannot be bunkoing
Perfect
I cannot have bunkoed you cannot have bunkoed he cannot have bunkoed we cannot have bunkoed you cannot have bunkoed they cannot have bunkoed
V-ing perfect
I cannot have been bunkoing you cannot have been bunkoing he cannot have been bunkoing we cannot have been bunkoing you cannot have been bunkoing they cannot have been bunkoing
Interrogative form
Simple form
can I bunko? can you bunko? can he bunko? can we bunko? can you bunko? can they bunko?
V-ing form
can I be bunkoing? can you be bunkoing? can he be bunkoing? can we be bunkoing? can you be bunkoing? can they be bunkoing?
Perfect
can I have bunkoed? can you have bunkoed? can he have bunkoed? can we have bunkoed? can you have bunkoed? can they have bunkoed?
V-ing perfect
can I have been bunkoing? can you have been bunkoing? can he have been bunkoing? can we have been bunkoing? can you have been bunkoing? can they have been bunkoing?
Interro-negative form
Simple form
can I not bunko? can you not bunko? can he not bunko? can we not bunko? can you not bunko? can they not bunko?
V-ing form
can I not be bunkoing? can you not be bunkoing? can he not be bunkoing? can we not be bunkoing? can you not be bunkoing? can they not be bunkoing?
Perfect
can I not have bunkoed? can you not have bunkoed? can he not have bunkoed? can we not have bunkoed? can you not have bunkoed? can they not have bunkoed?
V-ing perfect
can I not have been bunkoing? can you not have been bunkoing? can he not have been bunkoing? can we not have been bunkoing? can you not have been bunkoing? can they not have been bunkoing?