I'll be backchecking you'll be backchecking he'll be backchecking we'll be backchecking you'll be backchecking they'll be backchecking
Perfect
I'll have backchecked you'll have backchecked he'll have backchecked we'll have backchecked you'll have backchecked they'll have backchecked
Perfect en V-ing
I'll have been backchecking you'll have been backchecking he'll have been backchecking we'll have been backchecking you'll have been backchecking they'll have been backchecking
Négation
Forme simple
I shan't backcheck you shan't backcheck he shan't backcheck we shan't backcheck you shan't backcheck they shan't backcheck
Forme en V-ing
I shan't be backchecking you shan't be backchecking he shan't be backchecking we shan't be backchecking you shan't be backchecking they shan't be backchecking
Perfect
I shan't have backchecked you shan't have backchecked he shan't have backchecked we shan't have backchecked you shan't have backchecked they shan't have backchecked
Perfect en V-ing
I shan't have been backchecking you shan't have been backchecking he shan't have been backchecking we shan't have been backchecking you shan't have been backchecking they shan't have been backchecking
Forme interrogative
Forme simple
shall I backcheck? shall you backcheck? shall he backcheck? shall we backcheck? shall you backcheck? shall they backcheck?
Forme en V-ing
shall I be backchecking? shall you be backchecking? shall he be backchecking? shall we be backchecking? shall you be backchecking? shall they be backchecking?
Perfect
shall I have backchecked? shall you have backchecked? shall he have backchecked? shall we have backchecked? shall you have backchecked? shall they have backchecked?
Perfect en V-ing
shall I have been backchecking? shall you have been backchecking? shall he have been backchecking? shall we have been backchecking? shall you have been backchecking? shall they have been backchecking?
Forme interro-négative
Forme simple
shan't I backcheck? shan't you backcheck? shan't he backcheck? shan't we backcheck? shan't you backcheck? shan't they backcheck?
Forme en V-ing
shan't I be backchecking? shan't you be backchecking? shan't he be backchecking? shan't we be backchecking? shan't you be backchecking? shan't they be backchecking?
Perfect
shan't I have backchecked? shan't you have backchecked? shan't he have backchecked? shan't we have backchecked? shan't you have backchecked? shan't they have backchecked?
Perfect en V-ing
shan't I have been backchecking? shan't you have been backchecking? shan't he have been backchecking? shan't we have been backchecking? shan't you have been backchecking? shan't they have been backchecking?