to countersign
Regular verb: countersign - countersigned- countersigned

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I countersign
you countersign
he countersigns
we countersign
you countersign
they countersign 	Iamcountersigning
youarecountersigning
heiscountersigning
wearecountersigning
youarecountersigning
theyarecountersigning	I countersigned
you countersigned
he countersigned
we countersigned
you countersigned
they countersigned	Iwascountersigning
youwerecountersigning
hewascountersigning
wewerecountersigning
youwerecountersigning
theywerecountersigning	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have countersigned
you have countersigned
he has countersigned
we have countersigned
you have countersigned
they have countersigned	I have been countersigning
you have been countersigning
hehasbeen countersigning
we have been countersigning
you have been countersigning
they have been countersigning	I had countersigned
you had countersigned
he had countersigned
we had countersigned
you had countersigned
they had countersigned	I had been countersigning
you had been countersigning
he had been countersigning
we had been countersigning
you had been countersigning
they had been countersigning	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will countersign
you will countersign
he will countersign
we will countersign
you will countersign
they will countersign 	I will be countersigning
you will be countersigning
he will be countersigning
we will be countersigning
you will be countersigning
they will be countersigning	I will have countersigned
you will have countersigned
he will have countersigned
we will have countersigned
you will have countersigned
they will have countersigned	I will have been countersigning
you will have been countersigning
he will have been countersigning
we will have been countersigning
you will have been countersigning
they will have been countersigning	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would countersign
you would countersign
he would countersign
we would countersign
you would countersign
they would countersign 	I would be countersigning
you would be countersigning
he would be countersigning
we would be countersigning
you would be countersigning
they would be countersigning	I would have countersigned
you would have countersigned
he would have countersigned
we would have countersigned
you would have countersigned
they would have countersigned	I would have been countersigning
you would have been countersigning
he would have been countersigning
we would have been countersigning
you would have been countersigning
they would have been countersigning	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to countersign 	 	countersign
Let's countersign
countersign 	 	

Participle 	
Present 	Past 	 	 	
countersigning	countersigned