shall countersign
Verbo regolare: countersign - countersigned- countersigned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shall countersign
you shall countersign
he shall countersign
we shall countersign
you shall countersign
they shall countersign 	I shall be countersigning
you shall be countersigning
he shall be countersigning
we shall be countersigning
you shall be countersigning
they shall be countersigning	I shall have countersigned
you shall have countersigned
he shall have countersigned
we shall have countersigned
you shall have countersigned
they shall have countersigned	I shall have been countersigning
you shall have been countersigning
he shall have been countersigning
we shall have been countersigning
you shall have been countersigning
they shall have been countersigning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I shall not countersign
you shall not countersign
he shall not countersign
we shall not countersign
you shall not countersign
they shall not countersign 	I shall not be countersigning
you shall not be countersigning
he shall not be countersigning
we shall not be countersigning
you shall not be countersigning
they shall not be countersigning	I shall not have countersigned
you shall not have countersigned
he shall not have countersigned
we shall not have countersigned
you shall not have countersigned
they shall not have countersigned	I shall not have been countersigning
you shall not have been countersigning
he shall not have been countersigning
we shall not have been countersigning
you shall not have been countersigning
they shall not have been countersigning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shall I countersign?
shall you countersign?
shall he countersign?
shall we countersign?
shall you countersign?
shall they countersign? 	shall I be countersigning?
shall you be countersigning?
shall he be countersigning?
shall we be countersigning?
shall you be countersigning?
shall they be countersigning? 	shall I have countersigned?
shall you have countersigned?
shall he have countersigned?
shall we have countersigned?
shall you have countersigned?
shall they have countersigned? 	shall I have been countersigning?
shall you have been countersigning?
shall he have been countersigning?
shall we have been countersigning?
shall you have been countersigning?
shall they have been countersigning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
shall I not countersign?
shall you not countersign?
shall he not countersign?
shall we not countersign?
shall you not countersign?
shall they not countersign? 	shall I not be countersigning?
shall you not be countersigning?
shall he not be countersigning?
shall we not be countersigning?
shall you not be countersigning?
shall they not be countersigning? 	shall I not have countersigned?
shall you not have countersigned?
shall he not have countersigned?
shall we not have countersigned?
shall you not have countersigned?
shall they not have countersigned? 	shall I not have been countersigning?
shall you not have been countersigning?
shall he not have been countersigning?
shall we not have been countersigning?
shall you not have been countersigning?
shall they not have been countersigning?