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