I can bog you can bog he can bog we can bog you can bog they can bog
V-ing form
I can be bogging you can be bogging he can be bogging we can be bogging you can be bogging they can be bogging
Perfect
I can have bogged you can have bogged he can have bogged we can have bogged you can have bogged they can have bogged
V-ing perfect
I can have been bogging you can have been bogging he can have been bogging we can have been bogging you can have been bogging they can have been bogging
Negation
Simple form
I cannot bog you cannot bog he cannot bog we cannot bog you cannot bog they cannot bog
V-ing form
I cannot be bogging you cannot be bogging he cannot be bogging we cannot be bogging you cannot be bogging they cannot be bogging
Perfect
I cannot have bogged you cannot have bogged he cannot have bogged we cannot have bogged you cannot have bogged they cannot have bogged
V-ing perfect
I cannot have been bogging you cannot have been bogging he cannot have been bogging we cannot have been bogging you cannot have been bogging they cannot have been bogging
Interrogative form
Simple form
can I bog? can you bog? can he bog? can we bog? can you bog? can they bog?
V-ing form
can I be bogging? can you be bogging? can he be bogging? can we be bogging? can you be bogging? can they be bogging?
Perfect
can I have bogged? can you have bogged? can he have bogged? can we have bogged? can you have bogged? can they have bogged?
V-ing perfect
can I have been bogging? can you have been bogging? can he have been bogging? can we have been bogging? can you have been bogging? can they have been bogging?
Interro-negative form
Simple form
can I not bog? can you not bog? can he not bog? can we not bog? can you not bog? can they not bog?
V-ing form
can I not be bogging? can you not be bogging? can he not be bogging? can we not be bogging? can you not be bogging? can they not be bogging?
Perfect
can I not have bogged? can you not have bogged? can he not have bogged? can we not have bogged? can you not have bogged? can they not have bogged?
V-ing perfect
can I not have been bogging? can you not have been bogging? can he not have been bogging? can we not have been bogging? can you not have been bogging? can they not have been bogging?