I can bunker you can bunker she can bunker we can bunker you can bunker they can bunker
V-ing form
I can be bunkering you can be bunkering she can be bunkering we can be bunkering you can be bunkering they can be bunkering
Perfect
I can have bunkered you can have bunkered she can have bunkered we can have bunkered you can have bunkered they can have bunkered
V-ing perfect
I can have been bunkering you can have been bunkering she can have been bunkering we can have been bunkering you can have been bunkering they can have been bunkering
Negation
Simple form
I can't bunker you can't bunker she can't bunker we can't bunker you can't bunker they can't bunker
V-ing form
I can't be bunkering you can't be bunkering she can't be bunkering we can't be bunkering you can't be bunkering they can't be bunkering
Perfect
I can't have bunkered you can't have bunkered she can't have bunkered we can't have bunkered you can't have bunkered they can't have bunkered
V-ing perfect
I can't have been bunkering you can't have been bunkering she can't have been bunkering we can't have been bunkering you can't have been bunkering they can't have been bunkering
Interrogative form
Simple form
can I bunker? can you bunker? can she bunker? can we bunker? can you bunker? can they bunker?
V-ing form
can I be bunkering? can you be bunkering? can she be bunkering? can we be bunkering? can you be bunkering? can they be bunkering?
Perfect
can I have bunkered? can you have bunkered? can she have bunkered? can we have bunkered? can you have bunkered? can they have bunkered?
V-ing perfect
can I have been bunkering? can you have been bunkering? can she have been bunkering? can we have been bunkering? can you have been bunkering? can they have been bunkering?
Interro-negative form
Simple form
can't I bunker? can't you bunker? can't she bunker? can't we bunker? can't you bunker? can't they bunker?
V-ing form
can't I be bunkering? can't you be bunkering? can't she be bunkering? can't we be bunkering? can't you be bunkering? can't they be bunkering?
Perfect
can't I have bunkered? can't you have bunkered? can't she have bunkered? can't we have bunkered? can't you have bunkered? can't they have bunkered?
V-ing perfect
can't I have been bunkering? can't you have been bunkering? can't she have been bunkering? can't we have been bunkering? can't you have been bunkering? can't they have been bunkering?