I'll be masting you'll be masting she'll be masting we'll be masting you'll be masting they'll be masting
Perfect
I'll have masted you'll have masted she'll have masted we'll have masted you'll have masted they'll have masted
V-ing perfect
I'll have been masting you'll have been masting she'll have been masting we'll have been masting you'll have been masting they'll have been masting
Negation
Simple form
I shan't mast you shan't mast she shan't mast we shan't mast you shan't mast they shan't mast
V-ing form
I shan't be masting you shan't be masting she shan't be masting we shan't be masting you shan't be masting they shan't be masting
Perfect
I shan't have masted you shan't have masted she shan't have masted we shan't have masted you shan't have masted they shan't have masted
V-ing perfect
I shan't have been masting you shan't have been masting she shan't have been masting we shan't have been masting you shan't have been masting they shan't have been masting
Interrogative form
Simple form
shall I mast? shall you mast? shall she mast? shall we mast? shall you mast? shall they mast?
V-ing form
shall I be masting? shall you be masting? shall she be masting? shall we be masting? shall you be masting? shall they be masting?
Perfect
shall I have masted? shall you have masted? shall she have masted? shall we have masted? shall you have masted? shall they have masted?
V-ing perfect
shall I have been masting? shall you have been masting? shall she have been masting? shall we have been masting? shall you have been masting? shall they have been masting?
Interro-negative form
Simple form
shan't I mast? shan't you mast? shan't she mast? shan't we mast? shan't you mast? shan't they mast?
V-ing form
shan't I be masting? shan't you be masting? shan't she be masting? shan't we be masting? shan't you be masting? shan't they be masting?
Perfect
shan't I have masted? shan't you have masted? shan't she have masted? shan't we have masted? shan't you have masted? shan't they have masted?
V-ing perfect
shan't I have been masting? shan't you have been masting? shan't she have been masting? shan't we have been masting? shan't you have been masting? shan't they have been masting?