Conjugação do verbo inglês
SHOULD UNDERSIGN

Verbo regular: undersign - undersigned - undersigned

Afirmação

Forma simple	Forma com V-ing
I should undersign you should undersign she should undersign we should undersign you should undersign they should undersign	I should be undersigning you should be undersigning she should be undersigning we should be undersigning you should be undersigning they should be undersigning
Perfeito	Perfeito com V-ing
I should have undersigned you should have undersigned she should have undersigned we should have undersigned you should have undersigned they should have undersigned	I should have been undersigning you should have been undersigning she should have been undersigning we should have been undersigning you should have been undersigning they should have been undersigning

Negação

Forma simple	Forma com V-ing
I should not undersign you should not undersign she should not undersign we should not undersign you should not undersign they should not undersign	I should not be undersigning you should not be undersigning she should not be undersigning we should not be undersigning you should not be undersigning they should not be undersigning
Perfeito	Perfeito com V-ing
I should not have undersigned you should not have undersigned she should not have undersigned we should not have undersigned you should not have undersigned they should not have undersigned	I should not have been undersigning you should not have been undersigning she should not have been undersigning we should not have been undersigning you should not have been undersigning they should not have been undersigning

Forma interrogativa

Forma simple	Forma com V-ing
should I undersign? should you undersign? should she undersign? should we undersign? should you undersign? should they undersign?	should I be undersigning? should you be undersigning? should she be undersigning? should we be undersigning? should you be undersigning? should they be undersigning?
Perfeito	Perfeito com V-ing
should I have undersigned? should you have undersigned? should she have undersigned? should we have undersigned? should you have undersigned? should they have undersigned?	should I have been undersigning? should you have been undersigning? should she have been undersigning? should we have been undersigning? should you have been undersigning? should they have been undersigning?

Forma interro-Negação

Forma simple	Forma com V-ing
should I not undersign? should you not undersign? should she not undersign? should we not undersign? should you not undersign? should they not undersign?	should I not be undersigning? should you not be undersigning? should she not be undersigning? should we not be undersigning? should you not be undersigning? should they not be undersigning?
Perfeito	Perfeito com V-ing
should I not have undersigned? should you not have undersigned? should she not have undersigned? should we not have undersigned? should you not have undersigned? should they not have undersigned?	should I not have been undersigning? should you not have been undersigning? should she not have been undersigning? should we not have been undersigning? should you not have been undersigning? should they not have been undersigning?