I'd be patenting you'd be patenting he'd be patenting we'd be patenting you'd be patenting they'd be patenting
Perfect
I should've patented you should've patented he should've patented we should've patented you should've patented they should've patented
V-ing perfect
I should've been patenting you should've been patenting he should've been patenting we should've been patenting you should've been patenting they should've been patenting
Negation
Simple form
I shouldn't patent you shouldn't patent he shouldn't patent we shouldn't patent you shouldn't patent they shouldn't patent
V-ing form
I shouldn't be patenting you shouldn't be patenting he shouldn't be patenting we shouldn't be patenting you shouldn't be patenting they shouldn't be patenting
Perfect
I shouldn't have patented you shouldn't have patented he shouldn't have patented we shouldn't have patented you shouldn't have patented they shouldn't have patented
V-ing perfect
I shouldn't have been patenting you shouldn't have been patenting he shouldn't have been patenting we shouldn't have been patenting you shouldn't have been patenting they shouldn't have been patenting
Interrogative form
Simple form
should I patent? should you patent? should he patent? should we patent? should you patent? should they patent?
V-ing form
should I be patenting? should you be patenting? should he be patenting? should we be patenting? should you be patenting? should they be patenting?
Perfect
should I have patented? should you have patented? should he 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 he have been patenting? should we have been patenting? should you have been patenting? should they have been patenting?
Interro-negative form
Simple form
shouldn't I patent? shouldn't you patent? shouldn't he patent? shouldn't we patent? shouldn't you patent? shouldn't they patent?
V-ing form
shouldn't I be patenting? shouldn't you be patenting? shouldn't he be patenting? shouldn't we be patenting? shouldn't you be patenting? shouldn't they be patenting?
Perfect
shouldn't I have patented? shouldn't you have patented? shouldn't he have patented? shouldn't we have patented? shouldn't you have patented? shouldn't they have patented?
V-ing perfect
shouldn't I have been patenting? shouldn't you have been patenting? shouldn't he have been patenting? shouldn't we have been patenting? shouldn't you have been patenting? shouldn't they have been patenting?