could bunker
Regular verb: bunker - bunkered- bunkered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bunker
you could bunker
she could bunker
we could bunker
you could bunker
they could bunker 	I could be bunkering
you could be bunkering
she could be bunkering
we could be bunkering
you could be bunkering
they could be bunkering	I could have bunkered
you could have bunkered
she could have bunkered
we could have bunkered
you could have bunkered
they could have bunkered	I could have been bunkering
you could have been bunkering
she could have been bunkering
we could have been bunkering
you could have been bunkering
they could have been bunkering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not bunker
you could not bunker
she could not bunker
we could not bunker
you could not bunker
they could not bunker 	I could not be bunkering
you could not be bunkering
she could not be bunkering
we could not be bunkering
you could not be bunkering
they could not be bunkering	I could not have bunkered
you could not have bunkered
she could not have bunkered
we could not have bunkered
you could not have bunkered
they could not have bunkered	I could not have been bunkering
you could not have been bunkering
she could not have been bunkering
we could not have been bunkering
you could not have been bunkering
they could not have been bunkering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bunker?
could you bunker?
could she bunker?
could we bunker?
could you bunker?
could they bunker? 	could I be bunkering?
could you be bunkering?
could she be bunkering?
could we be bunkering?
could you be bunkering?
could they be bunkering? 	could I have bunkered?
could you have bunkered?
could she have bunkered?
could we have bunkered?
could you have bunkered?
could they have bunkered? 	could I have been bunkering?
could you have been bunkering?
could she have been bunkering?
could we have been bunkering?
could you have been bunkering?
could they have been bunkering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not bunker?
could you not bunker?
could she not bunker?
could we not bunker?
could you not bunker?
could they not bunker? 	could I not be bunkering?
could you not be bunkering?
could she not be bunkering?
could we not be bunkering?
could you not be bunkering?
could they not be bunkering? 	could I not have bunkered?
could you not have bunkered?
could she not have bunkered?
could we not have bunkered?
could you not have bunkered?
could they not have bunkered? 	could I not have been bunkering?
could you not have been bunkering?
could she not have been bunkering?
could we not have been bunkering?
could you not have been bunkering?
could they not have been bunkering?