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 can't skipper you can't skipper he can't skipper we can't skipper you can't skipper they can't skipper	I can't be skippering you can't be skippering he can't be skippering we can't be skippering you can't be skippering they can't be skippering
Perfect	V-ing perfect
I can't have skippered you can't have skippered he can't have skippered we can't have skippered you can't have skippered they can't have skippered	I can't have been skippering you can't have been skippering he can't have been skippering we can't have been skippering you can't have been skippering they can't 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't I skipper? can't you skipper? can't he skipper? can't we skipper? can't you skipper? can't they skipper?	can't I be skippering? can't you be skippering? can't he be skippering? can't we be skippering? can't you be skippering? can't they be skippering?
Perfect	V-ing perfect
can't I have skippered? can't you have skippered? can't he have skippered? can't we have skippered? can't you have skippered? can't they have skippered?	can't I have been skippering? can't you have been skippering? can't he have been skippering? can't we have been skippering? can't you have been skippering? can't they have been skippering?