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 can't bog you can't bog he can't bog we can't bog you can't bog they can't bog
V-ing form
I can't be bogging you can't be bogging he can't be bogging we can't be bogging you can't be bogging they can't be bogging
Perfect
I can't have bogged you can't have bogged he can't have bogged we can't have bogged you can't have bogged they can't have bogged
V-ing perfect
I can't have been bogging you can't have been bogging he can't have been bogging we can't have been bogging you can't have been bogging they can't 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't I bog? can't you bog? can't he bog? can't we bog? can't you bog? can't they bog?
V-ing form
can't I be bogging? can't you be bogging? can't he be bogging? can't we be bogging? can't you be bogging? can't they be bogging?
Perfect
can't I have bogged? can't you have bogged? can't he have bogged? can't we have bogged? can't you have bogged? can't they have bogged?
V-ing perfect
can't I have been bogging? can't you have been bogging? can't he have been bogging? can't we have been bogging? can't you have been bogging? can't they have been bogging?