I should patent you should patent she should patent we should patent you should patent they should patent
V-ing form
I should be patenting you should be patenting she should be patenting we should be patenting you should be patenting they should be patenting
Perfect
I should have patented you should have patented she should have patented we should have patented you should have patented they should have patented
V-ing perfect
I should have been patenting you should have been patenting she should have been patenting we should have been patenting you should have been patenting they should have been patenting
Negation
Simple form
I should not patent you should not patent she should not patent we should not patent you should not patent they should not patent
V-ing form
I should not be patenting you should not be patenting she should not be patenting we should not be patenting you should not be patenting they should not be patenting
Perfect
I should not have patented you should not have patented she should not have patented we should not have patented you should not have patented they should not have patented
V-ing perfect
I should not have been patenting you should not have been patenting she should not have been patenting we should not have been patenting you should not have been patenting they should not have been patenting
Interrogative form
Simple form
should I patent? should you patent? should she patent? should we patent? should you patent? should they patent?
V-ing form
should I be patenting? should you be patenting? should she be patenting? should we be patenting? should you be patenting? should they be patenting?
Perfect
should I have patented? should you have patented? should she have patented? should we have patented? should you have patented? should they have patented?
V-ing perfect
should I have been patenting? should you have been patenting? should she have been patenting? should we have been patenting? should you have been patenting? should they have been patenting?
Interro-negative form
Simple form
should I not patent? should you not patent? should she not patent? should we not patent? should you not patent? should they not patent?
V-ing form
should I not be patenting? should you not be patenting? should she not be patenting? should we not be patenting? should you not be patenting? should they not be patenting?
Perfect
should I not have patented? should you not have patented? should she not have patented? should we not have patented? should you not have patented? should they not have patented?
V-ing perfect
should I not have been patenting? should you not have been patenting? should she not have been patenting? should we not have been patenting? should you not have been patenting? should they not have been patenting?