I'd be skipping you'd be skipping she'd be skipping we'd be skipping you'd be skipping they'd be skipping
Perfect
I should've skipped you should've skipped she should've skipped we should've skipped you should've skipped they should've skipped
V-ing perfect
I should've been skipping you should've been skipping she should've been skipping we should've been skipping you should've been skipping they should've been skipping
Negation
Simple form
I shouldn't skip you shouldn't skip she shouldn't skip we shouldn't skip you shouldn't skip they shouldn't skip
V-ing form
I shouldn't be skipping you shouldn't be skipping she shouldn't be skipping we shouldn't be skipping you shouldn't be skipping they shouldn't be skipping
Perfect
I shouldn't have skipped you shouldn't have skipped she shouldn't have skipped we shouldn't have skipped you shouldn't have skipped they shouldn't have skipped
V-ing perfect
I shouldn't have been skipping you shouldn't have been skipping she shouldn't have been skipping we shouldn't have been skipping you shouldn't have been skipping they shouldn't have been skipping
Interrogative form
Simple form
should I skip? should you skip? should she skip? should we skip? should you skip? should they skip?
V-ing form
should I be skipping? should you be skipping? should she be skipping? should we be skipping? should you be skipping? should they be skipping?
Perfect
should I have skipped? should you have skipped? should she have skipped? should we have skipped? should you have skipped? should they have skipped?
V-ing perfect
should I have been skipping? should you have been skipping? should she have been skipping? should we have been skipping? should you have been skipping? should they have been skipping?
Interro-negative form
Simple form
shouldn't I skip? shouldn't you skip? shouldn't she skip? shouldn't we skip? shouldn't you skip? shouldn't they skip?
V-ing form
shouldn't I be skipping? shouldn't you be skipping? shouldn't she be skipping? shouldn't we be skipping? shouldn't you be skipping? shouldn't they be skipping?
Perfect
shouldn't I have skipped? shouldn't you have skipped? shouldn't she have skipped? shouldn't we have skipped? shouldn't you have skipped? shouldn't they have skipped?
V-ing perfect
shouldn't I have been skipping? shouldn't you have been skipping? shouldn't she have been skipping? shouldn't we have been skipping? shouldn't you have been skipping? shouldn't they have been skipping?