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