I should clutter you should clutter she should clutter we should clutter you should clutter they should clutter
V-ing form
I should be cluttering you should be cluttering she should be cluttering we should be cluttering you should be cluttering they should be cluttering
Perfect
I should have cluttered you should have cluttered she should have cluttered we should have cluttered you should have cluttered they should have cluttered
V-ing perfect
I should have been cluttering you should have been cluttering she should have been cluttering we should have been cluttering you should have been cluttering they should have been cluttering
Negation
Simple form
I should not clutter you should not clutter she should not clutter we should not clutter you should not clutter they should not clutter
V-ing form
I should not be cluttering you should not be cluttering she should not be cluttering we should not be cluttering you should not be cluttering they should not be cluttering
Perfect
I should not have cluttered you should not have cluttered she should not have cluttered we should not have cluttered you should not have cluttered they should not have cluttered
V-ing perfect
I should not have been cluttering you should not have been cluttering she should not have been cluttering we should not have been cluttering you should not have been cluttering they should not have been cluttering
Interrogative form
Simple form
should I clutter? should you clutter? should she clutter? should we clutter? should you clutter? should they clutter?
V-ing form
should I be cluttering? should you be cluttering? should she be cluttering? should we be cluttering? should you be cluttering? should they be cluttering?
Perfect
should I have cluttered? should you have cluttered? should she have cluttered? should we have cluttered? should you have cluttered? should they have cluttered?
V-ing perfect
should I have been cluttering? should you have been cluttering? should she have been cluttering? should we have been cluttering? should you have been cluttering? should they have been cluttering?
Interro-negative form
Simple form
should I not clutter? should you not clutter? should she not clutter? should we not clutter? should you not clutter? should they not clutter?
V-ing form
should I not be cluttering? should you not be cluttering? should she not be cluttering? should we not be cluttering? should you not be cluttering? should they not be cluttering?
Perfect
should I not have cluttered? should you not have cluttered? should she not have cluttered? should we not have cluttered? should you not have cluttered? should they not have cluttered?
V-ing perfect
should I not have been cluttering? should you not have been cluttering? should she not have been cluttering? should we not have been cluttering? should you not have been cluttering? should they not have been cluttering?