I should experiment you should experiment she should experiment we should experiment you should experiment they should experiment
V-ing form
I should be experimenting you should be experimenting she should be experimenting we should be experimenting you should be experimenting they should be experimenting
Perfect
I should have experimented you should have experimented she should have experimented we should have experimented you should have experimented they should have experimented
V-ing perfect
I should have been experimenting you should have been experimenting she should have been experimenting we should have been experimenting you should have been experimenting they should have been experimenting
Negation
Simple form
I should not experiment you should not experiment she should not experiment we should not experiment you should not experiment they should not experiment
V-ing form
I should not be experimenting you should not be experimenting she should not be experimenting we should not be experimenting you should not be experimenting they should not be experimenting
Perfect
I should not have experimented you should not have experimented she should not have experimented we should not have experimented you should not have experimented they should not have experimented
V-ing perfect
I should not have been experimenting you should not have been experimenting she should not have been experimenting we should not have been experimenting you should not have been experimenting they should not have been experimenting
Interrogative form
Simple form
should I experiment? should you experiment? should she experiment? should we experiment? should you experiment? should they experiment?
V-ing form
should I be experimenting? should you be experimenting? should she be experimenting? should we be experimenting? should you be experimenting? should they be experimenting?
Perfect
should I have experimented? should you have experimented? should she have experimented? should we have experimented? should you have experimented? should they have experimented?
V-ing perfect
should I have been experimenting? should you have been experimenting? should she have been experimenting? should we have been experimenting? should you have been experimenting? should they have been experimenting?
Interro-negative form
Simple form
should I not experiment? should you not experiment? should she not experiment? should we not experiment? should you not experiment? should they not experiment?
V-ing form
should I not be experimenting? should you not be experimenting? should she not be experimenting? should we not be experimenting? should you not be experimenting? should they not be experimenting?
Perfect
should I not have experimented? should you not have experimented? should she not have experimented? should we not have experimented? should you not have experimented? should they not have experimented?
V-ing perfect
should I not have been experimenting? should you not have been experimenting? should she not have been experimenting? should we not have been experimenting? should you not have been experimenting? should they not have been experimenting?