might countersign
Verbo regular: countersign - countersigned- countersigned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I might countersign
you might countersign
he might countersign
we might countersign
you might countersign
they might countersign 	I might be countersigning
you might be countersigning
he might be countersigning
we might be countersigning
you might be countersigning
they might be countersigning	I might have countersigned
you might have countersigned
he might have countersigned
we might have countersigned
you might have countersigned
they might have countersigned	I might have been countersigning
you might have been countersigning
he might have been countersigning
we might have been countersigning
you might have been countersigning
they might have been countersigning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I might not countersign
you might not countersign
he might not countersign
we might not countersign
you might not countersign
they might not countersign 	I might not be countersigning
you might not be countersigning
he might not be countersigning
we might not be countersigning
you might not be countersigning
they might not be countersigning	I might not have countersigned
you might not have countersigned
he might not have countersigned
we might not have countersigned
you might not have countersigned
they might not have countersigned	I might not have been countersigning
you might not have been countersigning
he might not have been countersigning
we might not have been countersigning
you might not have been countersigning
they might not have been countersigning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
might I countersign?
might you countersign?
might he countersign?
might we countersign?
might you countersign?
might they countersign? 	might I be countersigning?
might you be countersigning?
might he be countersigning?
might we be countersigning?
might you be countersigning?
might they be countersigning? 	might I have countersigned?
might you have countersigned?
might he have countersigned?
might we have countersigned?
might you have countersigned?
might they have countersigned? 	might I have been countersigning?
might you have been countersigning?
might he have been countersigning?
might we have been countersigning?
might you have been countersigning?
might they have been countersigning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
might I not countersign?
might you not countersign?
might he not countersign?
might we not countersign?
might you not countersign?
might they not countersign? 	might I not be countersigning?
might you not be countersigning?
might he not be countersigning?
might we not be countersigning?
might you not be countersigning?
might they not be countersigning? 	might I not have countersigned?
might you not have countersigned?
might he not have countersigned?
might we not have countersigned?
might you not have countersigned?
might they not have countersigned? 	might I not have been countersigning?
might you not have been countersigning?
might he not have been countersigning?
might we not have been countersigning?
might you not have been countersigning?
might they not have been countersigning?