I'll be sketching you'll be sketching he'll be sketching we'll be sketching you'll be sketching they'll be sketching
Perfect
I'll have sketched you'll have sketched he'll have sketched we'll have sketched you'll have sketched they'll have sketched
V-ing perfect
I'll have been sketching you'll have been sketching he'll have been sketching we'll have been sketching you'll have been sketching they'll have been sketching
Negation
Simple form
I shan't sketch you shan't sketch he shan't sketch we shan't sketch you shan't sketch they shan't sketch
V-ing form
I shan't be sketching you shan't be sketching he shan't be sketching we shan't be sketching you shan't be sketching they shan't be sketching
Perfect
I shan't have sketched you shan't have sketched he shan't have sketched we shan't have sketched you shan't have sketched they shan't have sketched
V-ing perfect
I shan't have been sketching you shan't have been sketching he shan't have been sketching we shan't have been sketching you shan't have been sketching they shan't have been sketching
Interrogative form
Simple form
shall I sketch? shall you sketch? shall he sketch? shall we sketch? shall you sketch? shall they sketch?
V-ing form
shall I be sketching? shall you be sketching? shall he be sketching? shall we be sketching? shall you be sketching? shall they be sketching?
Perfect
shall I have sketched? shall you have sketched? shall he have sketched? shall we have sketched? shall you have sketched? shall they have sketched?
V-ing perfect
shall I have been sketching? shall you have been sketching? shall he have been sketching? shall we have been sketching? shall you have been sketching? shall they have been sketching?
Interro-negative form
Simple form
shan't I sketch? shan't you sketch? shan't he sketch? shan't we sketch? shan't you sketch? shan't they sketch?
V-ing form
shan't I be sketching? shan't you be sketching? shan't he be sketching? shan't we be sketching? shan't you be sketching? shan't they be sketching?
Perfect
shan't I have sketched? shan't you have sketched? shan't he have sketched? shan't we have sketched? shan't you have sketched? shan't they have sketched?
V-ing perfect
shan't I have been sketching? shan't you have been sketching? shan't he have been sketching? shan't we have been sketching? shan't you have been sketching? shan't they have been sketching?