I should skip you should skip he should skip we should skip you should skip they should skip
V-ing form
I should be skipping you should be skipping he should be skipping we should be skipping you should be skipping they should be skipping
Perfect
I should have skipped you should have skipped he should have skipped we should have skipped you should have skipped they should have skipped
V-ing perfect
I should have been skipping you should have been skipping he should have been skipping we should have been skipping you should have been skipping they should have been skipping
Negation
Simple form
I should not skip you should not skip he should not skip we should not skip you should not skip they should not skip
V-ing form
I should not be skipping you should not be skipping he should not be skipping we should not be skipping you should not be skipping they should not be skipping
Perfect
I should not have skipped you should not have skipped he should not have skipped we should not have skipped you should not have skipped they should not have skipped
V-ing perfect
I should not have been skipping you should not have been skipping he should not have been skipping we should not have been skipping you should not have been skipping they should not have been skipping
Interrogative form
Simple form
should I skip? should you skip? should he skip? should we skip? should you skip? should they skip?
V-ing form
should I be skipping? should you be skipping? should he be skipping? should we be skipping? should you be skipping? should they be skipping?
Perfect
should I have skipped? should you have skipped? should he 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 he have been skipping? should we have been skipping? should you have been skipping? should they have been skipping?
Interro-negative form
Simple form
should I not skip? should you not skip? should he not skip? should we not skip? should you not skip? should they not skip?
V-ing form
should I not be skipping? should you not be skipping? should he not be skipping? should we not be skipping? should you not be skipping? should they not be skipping?
Perfect
should I not have skipped? should you not have skipped? should he not have skipped? should we not have skipped? should you not have skipped? should they not have skipped?
V-ing perfect
should I not have been skipping? should you not have been skipping? should he not have been skipping? should we not have been skipping? should you not have been skipping? should they not have been skipping?