I'll be decerebrating you'll be decerebrating she'll be decerebrating we'll be decerebrating you'll be decerebrating they'll be decerebrating
Perfect
I'll have decerebrated you'll have decerebrated she'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 she'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 she 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 she 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 she 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 she 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 she decerebrate? shall we decerebrate? shall you decerebrate? shall they decerebrate?
V-ing form
shall I be decerebrating? shall you be decerebrating? shall she be decerebrating? shall we be decerebrating? shall you be decerebrating? shall they be decerebrating?
Perfect
shall I have decerebrated? shall you have decerebrated? shall she 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 she 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 she 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 she 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 she 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 she have been decerebrating? shan't we have been decerebrating? shan't you have been decerebrating? shan't they have been decerebrating?