Verbo regular: countersign - countersigned - countersigned
Afirmación
Forma simple
I can countersign you can countersign he can countersign we can countersign you can countersign they can countersign
Forma con V-ing
I can be countersigning you can be countersigning he can be countersigning we can be countersigning you can be countersigning they can be countersigning
Perfecto
I can have countersigned you can have countersigned he can have countersigned we can have countersigned you can have countersigned they can have countersigned
Perfecto con V-ing
I can have been countersigning you can have been countersigning he can have been countersigning we can have been countersigning you can have been countersigning they can have been countersigning
Negación
Forma simple
I can't countersign you can't countersign he can't countersign we can't countersign you can't countersign they can't countersign
Forma con V-ing
I can't be countersigning you can't be countersigning he can't be countersigning we can't be countersigning you can't be countersigning they can't be countersigning
Perfecto
I can't have countersigned you can't have countersigned he can't have countersigned we can't have countersigned you can't have countersigned they can't have countersigned
Perfecto con V-ing
I can't have been countersigning you can't have been countersigning he can't have been countersigning we can't have been countersigning you can't have been countersigning they can't have been countersigning
Forma interrogativa
Forma simple
can I countersign? can you countersign? can he countersign? can we countersign? can you countersign? can they countersign?
Forma con V-ing
can I be countersigning? can you be countersigning? can he be countersigning? can we be countersigning? can you be countersigning? can they be countersigning?
Perfecto
can I have countersigned? can you have countersigned? can he have countersigned? can we have countersigned? can you have countersigned? can they have countersigned?
Perfecto con V-ing
can I have been countersigning? can you have been countersigning? can he have been countersigning? can we have been countersigning? can you have been countersigning? can they have been countersigning?
Forma interro-negativa
Forma simple
can't I countersign? can't you countersign? can't he countersign? can't we countersign? can't you countersign? can't they countersign?
Forma con V-ing
can't I be countersigning? can't you be countersigning? can't he be countersigning? can't we be countersigning? can't you be countersigning? can't they be countersigning?
Perfecto
can't I have countersigned? can't you have countersigned? can't he have countersigned? can't we have countersigned? can't you have countersigned? can't they have countersigned?
Perfecto con V-ing
can't I have been countersigning? can't you have been countersigning? can't he have been countersigning? can't we have been countersigning? can't you have been countersigning? can't they have been countersigning?