I can backcheck you can backcheck he can backcheck we can backcheck you can backcheck they can backcheck
Form mit V-ing
I can be backchecking you can be backchecking he can be backchecking we can be backchecking you can be backchecking they can be backchecking
Perfekt
I can have backchecked you can have backchecked he can have backchecked we can have backchecked you can have backchecked they can have backchecked
Perfekt mit V-ing
I can have been backchecking you can have been backchecking he can have been backchecking we can have been backchecking you can have been backchecking they can have been backchecking
Negation
Einfache Form
I can't backcheck you can't backcheck he can't backcheck we can't backcheck you can't backcheck they can't backcheck
Form mit V-ing
I can't be backchecking you can't be backchecking he can't be backchecking we can't be backchecking you can't be backchecking they can't be backchecking
Perfekt
I can't have backchecked you can't have backchecked he can't have backchecked we can't have backchecked you can't have backchecked they can't have backchecked
Perfekt mit V-ing
I can't have been backchecking you can't have been backchecking he can't have been backchecking we can't have been backchecking you can't have been backchecking they can't have been backchecking
Fragende Form
Einfache Form
can I backcheck? can you backcheck? can he backcheck? can we backcheck? can you backcheck? can they backcheck?
Form mit V-ing
can I be backchecking? can you be backchecking? can he be backchecking? can we be backchecking? can you be backchecking? can they be backchecking?
Perfekt
can I have backchecked? can you have backchecked? can he have backchecked? can we have backchecked? can you have backchecked? can they have backchecked?
Perfekt mit V-ing
can I have been backchecking? can you have been backchecking? can he have been backchecking? can we have been backchecking? can you have been backchecking? can they have been backchecking?
Fragende Negation Form
Einfache Form
can't I backcheck? can't you backcheck? can't he backcheck? can't we backcheck? can't you backcheck? can't they backcheck?
Form mit V-ing
can't I be backchecking? can't you be backchecking? can't he be backchecking? can't we be backchecking? can't you be backchecking? can't they be backchecking?
Perfekt
can't I have backchecked? can't you have backchecked? can't he have backchecked? can't we have backchecked? can't you have backchecked? can't they have backchecked?
Perfekt mit V-ing
can't I have been backchecking? can't you have been backchecking? can't he have been backchecking? can't we have been backchecking? can't you have been backchecking? can't they have been backchecking?