I can whipstitch you can whipstitch he can whipstitch we can whipstitch you can whipstitch they can whipstitch
V-ing form
I can be whipstitching you can be whipstitching he can be whipstitching we can be whipstitching you can be whipstitching they can be whipstitching
Perfect
I can have whipstitched you can have whipstitched he can have whipstitched we can have whipstitched you can have whipstitched they can have whipstitched
V-ing perfect
I can have been whipstitching you can have been whipstitching he can have been whipstitching we can have been whipstitching you can have been whipstitching they can have been whipstitching
Negation
Simple form
I cannot whipstitch you cannot whipstitch he cannot whipstitch we cannot whipstitch you cannot whipstitch they cannot whipstitch
V-ing form
I cannot be whipstitching you cannot be whipstitching he cannot be whipstitching we cannot be whipstitching you cannot be whipstitching they cannot be whipstitching
Perfect
I cannot have whipstitched you cannot have whipstitched he cannot have whipstitched we cannot have whipstitched you cannot have whipstitched they cannot have whipstitched
V-ing perfect
I cannot have been whipstitching you cannot have been whipstitching he cannot have been whipstitching we cannot have been whipstitching you cannot have been whipstitching they cannot have been whipstitching
Interrogative form
Simple form
can I whipstitch? can you whipstitch? can he whipstitch? can we whipstitch? can you whipstitch? can they whipstitch?
V-ing form
can I be whipstitching? can you be whipstitching? can he be whipstitching? can we be whipstitching? can you be whipstitching? can they be whipstitching?
Perfect
can I have whipstitched? can you have whipstitched? can he have whipstitched? can we have whipstitched? can you have whipstitched? can they have whipstitched?
V-ing perfect
can I have been whipstitching? can you have been whipstitching? can he have been whipstitching? can we have been whipstitching? can you have been whipstitching? can they have been whipstitching?
Interro-negative form
Simple form
can I not whipstitch? can you not whipstitch? can he not whipstitch? can we not whipstitch? can you not whipstitch? can they not whipstitch?
V-ing form
can I not be whipstitching? can you not be whipstitching? can he not be whipstitching? can we not be whipstitching? can you not be whipstitching? can they not be whipstitching?
Perfect
can I not have whipstitched? can you not have whipstitched? can he not have whipstitched? can we not have whipstitched? can you not have whipstitched? can they not have whipstitched?
V-ing perfect
can I not have been whipstitching? can you not have been whipstitching? can he not have been whipstitching? can we not have been whipstitching? can you not have been whipstitching? can they not have been whipstitching?