I can quilt you can quilt she can quilt we can quilt you can quilt they can quilt
V-ing form
I can be quilting you can be quilting she can be quilting we can be quilting you can be quilting they can be quilting
Perfect
I can have quilted you can have quilted she can have quilted we can have quilted you can have quilted they can have quilted
V-ing perfect
I can have been quilting you can have been quilting she can have been quilting we can have been quilting you can have been quilting they can have been quilting
Negation
Simple form
I cannot quilt you cannot quilt she cannot quilt we cannot quilt you cannot quilt they cannot quilt
V-ing form
I cannot be quilting you cannot be quilting she cannot be quilting we cannot be quilting you cannot be quilting they cannot be quilting
Perfect
I cannot have quilted you cannot have quilted she cannot have quilted we cannot have quilted you cannot have quilted they cannot have quilted
V-ing perfect
I cannot have been quilting you cannot have been quilting she cannot have been quilting we cannot have been quilting you cannot have been quilting they cannot have been quilting
Interrogative form
Simple form
can I quilt? can you quilt? can she quilt? can we quilt? can you quilt? can they quilt?
V-ing form
can I be quilting? can you be quilting? can she be quilting? can we be quilting? can you be quilting? can they be quilting?
Perfect
can I have quilted? can you have quilted? can she have quilted? can we have quilted? can you have quilted? can they have quilted?
V-ing perfect
can I have been quilting? can you have been quilting? can she have been quilting? can we have been quilting? can you have been quilting? can they have been quilting?
Interro-negative form
Simple form
can I not quilt? can you not quilt? can she not quilt? can we not quilt? can you not quilt? can they not quilt?
V-ing form
can I not be quilting? can you not be quilting? can she not be quilting? can we not be quilting? can you not be quilting? can they not be quilting?
Perfect
can I not have quilted? can you not have quilted? can she not have quilted? can we not have quilted? can you not have quilted? can they not have quilted?
V-ing perfect
can I not have been quilting? can you not have been quilting? can she not have been quilting? can we not have been quilting? can you not have been quilting? can they not have been quilting?