I can convolute you can convolute he can convolute we can convolute you can convolute they can convolute
V-ing form
I can be convoluting you can be convoluting he can be convoluting we can be convoluting you can be convoluting they can be convoluting
Perfect
I can have convoluted you can have convoluted he can have convoluted we can have convoluted you can have convoluted they can have convoluted
V-ing perfect
I can have been convoluting you can have been convoluting he can have been convoluting we can have been convoluting you can have been convoluting they can have been convoluting
Negation
Simple form
I can't convolute you can't convolute he can't convolute we can't convolute you can't convolute they can't convolute
V-ing form
I can't be convoluting you can't be convoluting he can't be convoluting we can't be convoluting you can't be convoluting they can't be convoluting
Perfect
I can't have convoluted you can't have convoluted he can't have convoluted we can't have convoluted you can't have convoluted they can't have convoluted
V-ing perfect
I can't have been convoluting you can't have been convoluting he can't have been convoluting we can't have been convoluting you can't have been convoluting they can't have been convoluting
Interrogative form
Simple form
can I convolute? can you convolute? can he convolute? can we convolute? can you convolute? can they convolute?
V-ing form
can I be convoluting? can you be convoluting? can he be convoluting? can we be convoluting? can you be convoluting? can they be convoluting?
Perfect
can I have convoluted? can you have convoluted? can he have convoluted? can we have convoluted? can you have convoluted? can they have convoluted?
V-ing perfect
can I have been convoluting? can you have been convoluting? can he have been convoluting? can we have been convoluting? can you have been convoluting? can they have been convoluting?
Interro-negative form
Simple form
can't I convolute? can't you convolute? can't he convolute? can't we convolute? can't you convolute? can't they convolute?
V-ing form
can't I be convoluting? can't you be convoluting? can't he be convoluting? can't we be convoluting? can't you be convoluting? can't they be convoluting?
Perfect
can't I have convoluted? can't you have convoluted? can't he have convoluted? can't we have convoluted? can't you have convoluted? can't they have convoluted?
V-ing perfect
can't I have been convoluting? can't you have been convoluting? can't he have been convoluting? can't we have been convoluting? can't you have been convoluting? can't they have been convoluting?