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