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