I should burrow you should burrow she should burrow we should burrow you should burrow they should burrow
V-ing form
I should be burrowing you should be burrowing she should be burrowing we should be burrowing you should be burrowing they should be burrowing
Perfect
I should have burrowed you should have burrowed she should have burrowed we should have burrowed you should have burrowed they should have burrowed
V-ing perfect
I should have been burrowing you should have been burrowing she should have been burrowing we should have been burrowing you should have been burrowing they should have been burrowing
Negation
Simple form
I should not burrow you should not burrow she should not burrow we should not burrow you should not burrow they should not burrow
V-ing form
I should not be burrowing you should not be burrowing she should not be burrowing we should not be burrowing you should not be burrowing they should not be burrowing
Perfect
I should not have burrowed you should not have burrowed she should not have burrowed we should not have burrowed you should not have burrowed they should not have burrowed
V-ing perfect
I should not have been burrowing you should not have been burrowing she should not have been burrowing we should not have been burrowing you should not have been burrowing they should not have been burrowing
Interrogative form
Simple form
should I burrow? should you burrow? should she burrow? should we burrow? should you burrow? should they burrow?
V-ing form
should I be burrowing? should you be burrowing? should she be burrowing? should we be burrowing? should you be burrowing? should they be burrowing?
Perfect
should I have burrowed? should you have burrowed? should she have burrowed? should we have burrowed? should you have burrowed? should they have burrowed?
V-ing perfect
should I have been burrowing? should you have been burrowing? should she have been burrowing? should we have been burrowing? should you have been burrowing? should they have been burrowing?
Interro-negative form
Simple form
should I not burrow? should you not burrow? should she not burrow? should we not burrow? should you not burrow? should they not burrow?
V-ing form
should I not be burrowing? should you not be burrowing? should she not be burrowing? should we not be burrowing? should you not be burrowing? should they not be burrowing?
Perfect
should I not have burrowed? should you not have burrowed? should she not have burrowed? should we not have burrowed? should you not have burrowed? should they not have burrowed?
V-ing perfect
should I not have been burrowing? should you not have been burrowing? should she not have been burrowing? should we not have been burrowing? should you not have been burrowing? should they not have been burrowing?