English verb conjugation
SHOULD CONCAVE

Regular verb: concave - concaved - concaved

Affirmation

Simple form	V-ing form
I should concave you should concave he should concave we should concave you should concave they should concave	I should be concaving you should be concaving he should be concaving we should be concaving you should be concaving they should be concaving
Perfect	V-ing perfect
I should have concaved you should have concaved he should have concaved we should have concaved you should have concaved they should have concaved	I should have been concaving you should have been concaving he should have been concaving we should have been concaving you should have been concaving they should have been concaving

Negation

Simple form	V-ing form
I should not concave you should not concave he should not concave we should not concave you should not concave they should not concave	I should not be concaving you should not be concaving he should not be concaving we should not be concaving you should not be concaving they should not be concaving
Perfect	V-ing perfect
I should not have concaved you should not have concaved he should not have concaved we should not have concaved you should not have concaved they should not have concaved	I should not have been concaving you should not have been concaving he should not have been concaving we should not have been concaving you should not have been concaving they should not have been concaving

Interrogative form

Simple form	V-ing form
should I concave? should you concave? should he concave? should we concave? should you concave? should they concave?	should I be concaving? should you be concaving? should he be concaving? should we be concaving? should you be concaving? should they be concaving?
Perfect	V-ing perfect
should I have concaved? should you have concaved? should he have concaved? should we have concaved? should you have concaved? should they have concaved?	should I have been concaving? should you have been concaving? should he have been concaving? should we have been concaving? should you have been concaving? should they have been concaving?

Interro-negative form

Simple form	V-ing form
should I not concave? should you not concave? should he not concave? should we not concave? should you not concave? should they not concave?	should I not be concaving? should you not be concaving? should he not be concaving? should we not be concaving? should you not be concaving? should they not be concaving?
Perfect	V-ing perfect
should I not have concaved? should you not have concaved? should he not have concaved? should we not have concaved? should you not have concaved? should they not have concaved?	should I not have been concaving? should you not have been concaving? should he not have been concaving? should we not have been concaving? should you not have been concaving? should they not have been concaving?