English verb conjugation
SHOULD DUMB

Regular verb: dumb - dumbed - dumbed

Affirmation

Simple form	V-ing form
I should dumb you should dumb she should dumb we should dumb you should dumb they should dumb	I should be dumbing you should be dumbing she should be dumbing we should be dumbing you should be dumbing they should be dumbing
Perfect	V-ing perfect
I should have dumbed you should have dumbed she should have dumbed we should have dumbed you should have dumbed they should have dumbed	I should have been dumbing you should have been dumbing she should have been dumbing we should have been dumbing you should have been dumbing they should have been dumbing

Negation

Simple form	V-ing form
I should not dumb you should not dumb she should not dumb we should not dumb you should not dumb they should not dumb	I should not be dumbing you should not be dumbing she should not be dumbing we should not be dumbing you should not be dumbing they should not be dumbing
Perfect	V-ing perfect
I should not have dumbed you should not have dumbed she should not have dumbed we should not have dumbed you should not have dumbed they should not have dumbed	I should not have been dumbing you should not have been dumbing she should not have been dumbing we should not have been dumbing you should not have been dumbing they should not have been dumbing

Interrogative form

Simple form	V-ing form
should I dumb? should you dumb? should she dumb? should we dumb? should you dumb? should they dumb?	should I be dumbing? should you be dumbing? should she be dumbing? should we be dumbing? should you be dumbing? should they be dumbing?
Perfect	V-ing perfect
should I have dumbed? should you have dumbed? should she have dumbed? should we have dumbed? should you have dumbed? should they have dumbed?	should I have been dumbing? should you have been dumbing? should she have been dumbing? should we have been dumbing? should you have been dumbing? should they have been dumbing?

Interro-negative form

Simple form	V-ing form
should I not dumb? should you not dumb? should she not dumb? should we not dumb? should you not dumb? should they not dumb?	should I not be dumbing? should you not be dumbing? should she not be dumbing? should we not be dumbing? should you not be dumbing? should they not be dumbing?
Perfect	V-ing perfect
should I not have dumbed? should you not have dumbed? should she not have dumbed? should we not have dumbed? should you not have dumbed? should they not have dumbed?	should I not have been dumbing? should you not have been dumbing? should she not have been dumbing? should we not have been dumbing? should you not have been dumbing? should they not have been dumbing?