I can bulldog you can bulldog he can bulldog we can bulldog you can bulldog they can bulldog
V-ing form
I can be bulldoging you can be bulldoging he can be bulldoging we can be bulldoging you can be bulldoging they can be bulldoging
Perfect
I can have bulldoged you can have bulldoged he can have bulldoged we can have bulldoged you can have bulldoged they can have bulldoged
V-ing perfect
I can have been bulldoging you can have been bulldoging he can have been bulldoging we can have been bulldoging you can have been bulldoging they can have been bulldoging
Negation
Simple form
I cannot bulldog you cannot bulldog he cannot bulldog we cannot bulldog you cannot bulldog they cannot bulldog
V-ing form
I cannot be bulldoging you cannot be bulldoging he cannot be bulldoging we cannot be bulldoging you cannot be bulldoging they cannot be bulldoging
Perfect
I cannot have bulldoged you cannot have bulldoged he cannot have bulldoged we cannot have bulldoged you cannot have bulldoged they cannot have bulldoged
V-ing perfect
I cannot have been bulldoging you cannot have been bulldoging he cannot have been bulldoging we cannot have been bulldoging you cannot have been bulldoging they cannot have been bulldoging
Interrogative form
Simple form
can I bulldog? can you bulldog? can he bulldog? can we bulldog? can you bulldog? can they bulldog?
V-ing form
can I be bulldoging? can you be bulldoging? can he be bulldoging? can we be bulldoging? can you be bulldoging? can they be bulldoging?
Perfect
can I have bulldoged? can you have bulldoged? can he have bulldoged? can we have bulldoged? can you have bulldoged? can they have bulldoged?
V-ing perfect
can I have been bulldoging? can you have been bulldoging? can he have been bulldoging? can we have been bulldoging? can you have been bulldoging? can they have been bulldoging?
Interro-negative form
Simple form
can I not bulldog? can you not bulldog? can he not bulldog? can we not bulldog? can you not bulldog? can they not bulldog?
V-ing form
can I not be bulldoging? can you not be bulldoging? can he not be bulldoging? can we not be bulldoging? can you not be bulldoging? can they not be bulldoging?
Perfect
can I not have bulldoged? can you not have bulldoged? can he not have bulldoged? can we not have bulldoged? can you not have bulldoged? can they not have bulldoged?
V-ing perfect
can I not have been bulldoging? can you not have been bulldoging? can he not have been bulldoging? can we not have been bulldoging? can you not have been bulldoging? can they not have been bulldoging?