I can bout you can bout he can bout we can bout you can bout they can bout
V-ing form
I can be bouting you can be bouting he can be bouting we can be bouting you can be bouting they can be bouting
Perfect
I can have bouted you can have bouted he can have bouted we can have bouted you can have bouted they can have bouted
V-ing perfect
I can have been bouting you can have been bouting he can have been bouting we can have been bouting you can have been bouting they can have been bouting
Negation
Simple form
I cannot bout you cannot bout he cannot bout we cannot bout you cannot bout they cannot bout
V-ing form
I cannot be bouting you cannot be bouting he cannot be bouting we cannot be bouting you cannot be bouting they cannot be bouting
Perfect
I cannot have bouted you cannot have bouted he cannot have bouted we cannot have bouted you cannot have bouted they cannot have bouted
V-ing perfect
I cannot have been bouting you cannot have been bouting he cannot have been bouting we cannot have been bouting you cannot have been bouting they cannot have been bouting
Interrogative form
Simple form
can I bout? can you bout? can he bout? can we bout? can you bout? can they bout?
V-ing form
can I be bouting? can you be bouting? can he be bouting? can we be bouting? can you be bouting? can they be bouting?
Perfect
can I have bouted? can you have bouted? can he have bouted? can we have bouted? can you have bouted? can they have bouted?
V-ing perfect
can I have been bouting? can you have been bouting? can he have been bouting? can we have been bouting? can you have been bouting? can they have been bouting?
Interro-negative form
Simple form
can I not bout? can you not bout? can he not bout? can we not bout? can you not bout? can they not bout?
V-ing form
can I not be bouting? can you not be bouting? can he not be bouting? can we not be bouting? can you not be bouting? can they not be bouting?
Perfect
can I not have bouted? can you not have bouted? can he not have bouted? can we not have bouted? can you not have bouted? can they not have bouted?
V-ing perfect
can I not have been bouting? can you not have been bouting? can he not have been bouting? can we not have been bouting? can you not have been bouting? can they not have been bouting?