English verb conjugation
MIGHT COUNTERSIGN

Regular verb: countersign - countersigned - countersigned

Affirmation

Simple form	V-ing form
I might countersign you might countersign she might countersign we might countersign you might countersign they might countersign	I might be countersigning you might be countersigning she might be countersigning we might be countersigning you might be countersigning they might be countersigning
Perfect	V-ing perfect
I might have countersigned you might have countersigned she 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 she might have been countersigning we might have been countersigning you might have been countersigning they might have been countersigning

Negation

Simple form	V-ing form
I mightn't countersign you mightn't countersign she mightn't countersign we mightn't countersign you mightn't countersign they mightn't countersign	I mightn't be countersigning you mightn't be countersigning she mightn't be countersigning we mightn't be countersigning you mightn't be countersigning they mightn't be countersigning
Perfect	V-ing perfect
I mightn't have countersigned you mightn't have countersigned she mightn't have countersigned we mightn't have countersigned you mightn't have countersigned they mightn't have countersigned	I mightn't have been countersigning you mightn't have been countersigning she mightn't have been countersigning we mightn't have been countersigning you mightn't have been countersigning they mightn't have been countersigning

Interrogative form

Simple form	V-ing form
might I countersign? might you countersign? might she countersign? might we countersign? might you countersign? might they countersign?	might I be countersigning? might you be countersigning? might she be countersigning? might we be countersigning? might you be countersigning? might they be countersigning?
Perfect	V-ing perfect
might I have countersigned? might you have countersigned? might she 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 she have been countersigning? might we have been countersigning? might you have been countersigning? might they have been countersigning?

Interro-negative form

Simple form	V-ing form
mightn't I countersign? mightn't you countersign? mightn't she countersign? mightn't we countersign? mightn't you countersign? mightn't they countersign?	mightn't I be countersigning? mightn't you be countersigning? mightn't she be countersigning? mightn't we be countersigning? mightn't you be countersigning? mightn't they be countersigning?
Perfect	V-ing perfect
mightn't I have countersigned? mightn't you have countersigned? mightn't she have countersigned? mightn't we have countersigned? mightn't you have countersigned? mightn't they have countersigned?	mightn't I have been countersigning? mightn't you have been countersigning? mightn't she have been countersigning? mightn't we have been countersigning? mightn't you have been countersigning? mightn't they have been countersigning?