English verb conjugation
CAN SKIPPER

Regular verb: skipper - skippered - skippered

Affirmation

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