I should sow you should sow she should sow we should sow you should sow they should sow
V-ing form
I should be sowing you should be sowing she should be sowing we should be sowing you should be sowing they should be sowing
Perfect
I should have sown, sowed you should have sown, sowed she should have sown, sowed we should have sown, sowed you should have sown, sowed they should have sown, sowed
V-ing perfect
I should have been sowing you should have been sowing she should have been sowing we should have been sowing you should have been sowing they should have been sowing
Negation
Simple form
I should not sow you should not sow she should not sow we should not sow you should not sow they should not sow
V-ing form
I should not be sowing you should not be sowing she should not be sowing we should not be sowing you should not be sowing they should not be sowing
Perfect
I should not have sown, sowed you should not have sown, sowed she should not have sown, sowed we should not have sown, sowed you should not have sown, sowed they should not have sown, sowed
V-ing perfect
I should not have been sowing you should not have been sowing she should not have been sowing we should not have been sowing you should not have been sowing they should not have been sowing
Interrogative form
Simple form
should I sow? should you sow? should she sow? should we sow? should you sow? should they sow?
V-ing form
should I be sowing? should you be sowing? should she be sowing? should we be sowing? should you be sowing? should they be sowing?
Perfect
should I have sown, sowed? should you have sown, sowed? should she have sown, sowed? should we have sown, sowed? should you have sown, sowed? should they have sown, sowed?
V-ing perfect
should I have been sowing? should you have been sowing? should she have been sowing? should we have been sowing? should you have been sowing? should they have been sowing?
Interro-negative form
Simple form
should I not sow? should you not sow? should she not sow? should we not sow? should you not sow? should they not sow?
V-ing form
should I not be sowing? should you not be sowing? should she not be sowing? should we not be sowing? should you not be sowing? should they not be sowing?
Perfect
should I not have sown, sowed? should you not have sown, sowed? should she not have sown, sowed? should we not have sown, sowed? should you not have sown, sowed? should they not have sown, sowed?
V-ing perfect
should I not have been sowing? should you not have been sowing? should she not have been sowing? should we not have been sowing? should you not have been sowing? should they not have been sowing?