English verb conjugation
SHOULD MATTER

Regular verb: matter - mattered - mattered

Affirmation

Simple form	V-ing form
I should matter you should matter she should matter we should matter you should matter they should matter	I should be mattering you should be mattering she should be mattering we should be mattering you should be mattering they should be mattering
Perfect	V-ing perfect
I should have mattered you should have mattered she should have mattered we should have mattered you should have mattered they should have mattered	I should have been mattering you should have been mattering she should have been mattering we should have been mattering you should have been mattering they should have been mattering

Negation

Simple form	V-ing form
I should not matter you should not matter she should not matter we should not matter you should not matter they should not matter	I should not be mattering you should not be mattering she should not be mattering we should not be mattering you should not be mattering they should not be mattering
Perfect	V-ing perfect
I should not have mattered you should not have mattered she should not have mattered we should not have mattered you should not have mattered they should not have mattered	I should not have been mattering you should not have been mattering she should not have been mattering we should not have been mattering you should not have been mattering they should not have been mattering

Interrogative form

Simple form	V-ing form
should I matter? should you matter? should she matter? should we matter? should you matter? should they matter?	should I be mattering? should you be mattering? should she be mattering? should we be mattering? should you be mattering? should they be mattering?
Perfect	V-ing perfect
should I have mattered? should you have mattered? should she have mattered? should we have mattered? should you have mattered? should they have mattered?	should I have been mattering? should you have been mattering? should she have been mattering? should we have been mattering? should you have been mattering? should they have been mattering?

Interro-negative form

Simple form	V-ing form
should I not matter? should you not matter? should she not matter? should we not matter? should you not matter? should they not matter?	should I not be mattering? should you not be mattering? should she not be mattering? should we not be mattering? should you not be mattering? should they not be mattering?
Perfect	V-ing perfect
should I not have mattered? should you not have mattered? should she not have mattered? should we not have mattered? should you not have mattered? should they not have mattered?	should I not have been mattering? should you not have been mattering? should she not have been mattering? should we not have been mattering? should you not have been mattering? should they not have been mattering?