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