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