I should pull you should pull he should pull we should pull you should pull they should pull
V-ing form
I should be pulling you should be pulling he should be pulling we should be pulling you should be pulling they should be pulling
Perfect
I should have pulled you should have pulled he should have pulled we should have pulled you should have pulled they should have pulled
V-ing perfect
I should have been pulling you should have been pulling he should have been pulling we should have been pulling you should have been pulling they should have been pulling
Negation
Simple form
I should not pull you should not pull he should not pull we should not pull you should not pull they should not pull
V-ing form
I should not be pulling you should not be pulling he should not be pulling we should not be pulling you should not be pulling they should not be pulling
Perfect
I should not have pulled you should not have pulled he should not have pulled we should not have pulled you should not have pulled they should not have pulled
V-ing perfect
I should not have been pulling you should not have been pulling he should not have been pulling we should not have been pulling you should not have been pulling they should not have been pulling
Interrogative form
Simple form
should I pull? should you pull? should he pull? should we pull? should you pull? should they pull?
V-ing form
should I be pulling? should you be pulling? should he be pulling? should we be pulling? should you be pulling? should they be pulling?
Perfect
should I have pulled? should you have pulled? should he have pulled? should we have pulled? should you have pulled? should they have pulled?
V-ing perfect
should I have been pulling? should you have been pulling? should he have been pulling? should we have been pulling? should you have been pulling? should they have been pulling?
Interro-negative form
Simple form
should I not pull? should you not pull? should he not pull? should we not pull? should you not pull? should they not pull?
V-ing form
should I not be pulling? should you not be pulling? should he not be pulling? should we not be pulling? should you not be pulling? should they not be pulling?
Perfect
should I not have pulled? should you not have pulled? should he not have pulled? should we not have pulled? should you not have pulled? should they not have pulled?
V-ing perfect
should I not have been pulling? should you not have been pulling? should he not have been pulling? should we not have been pulling? should you not have been pulling? should they not have been pulling?