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