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