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