can skipper
Regular verb: skipper - skippered- skippered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can skipper
you can skipper
she can skipper
we can skipper
you can skipper
they can skipper 	I can be skippering
you can be skippering
she can be skippering
we can be skippering
you can be skippering
they can be skippering	I can have skippered
you can have skippered
she can have skippered
we can have skippered
you can have skippered
they can have skippered	I can have been skippering
you can have been skippering
she can have been skippering
we can have been skippering
you can have been skippering
they can have been skippering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot skipper
you cannot skipper
she cannot skipper
we cannot skipper
you cannot skipper
they cannot skipper 	I cannot be skippering
you cannot be skippering
she cannot be skippering
we cannot be skippering
you cannot be skippering
they cannot be skippering	I cannot have skippered
you cannot have skippered
she cannot have skippered
we cannot have skippered
you cannot have skippered
they cannot have skippered	I cannot have been skippering
you cannot have been skippering
she cannot have been skippering
we cannot have been skippering
you cannot have been skippering
they cannot have been skippering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I skipper?
can you skipper?
can she skipper?
can we skipper?
can you skipper?
can they skipper? 	can I be skippering?
can you be skippering?
can she be skippering?
can we be skippering?
can you be skippering?
can they be skippering? 	can I have skippered?
can you have skippered?
can she have skippered?
can we have skippered?
can you have skippered?
can they have skippered? 	can I have been skippering?
can you have been skippering?
can she have been skippering?
can we have been skippering?
can you have been skippering?
can they have been skippering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not skipper?
can you not skipper?
can she not skipper?
can we not skipper?
can you not skipper?
can they not skipper? 	can I not be skippering?
can you not be skippering?
can she not be skippering?
can we not be skippering?
can you not be skippering?
can they not be skippering? 	can I not have skippered?
can you not have skippered?
can she not have skippered?
can we not have skippered?
can you not have skippered?
can they not have skippered? 	can I not have been skippering?
can you not have been skippering?
can she not have been skippering?
can we not have been skippering?
can you not have been skippering?
can they not have been skippering?