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