I'd be threating you'd be threating she'd be threating we'd be threating you'd be threating they'd be threating
Perfect
I should've threated you should've threated she should've threated we should've threated you should've threated they should've threated
V-ing perfect
I should've been threating you should've been threating she should've been threating we should've been threating you should've been threating they should've been threating
Negation
Simple form
I shouldn't threat you shouldn't threat she shouldn't threat we shouldn't threat you shouldn't threat they shouldn't threat
V-ing form
I shouldn't be threating you shouldn't be threating she shouldn't be threating we shouldn't be threating you shouldn't be threating they shouldn't be threating
Perfect
I shouldn't have threated you shouldn't have threated she shouldn't have threated we shouldn't have threated you shouldn't have threated they shouldn't have threated
V-ing perfect
I shouldn't have been threating you shouldn't have been threating she shouldn't have been threating we shouldn't have been threating you shouldn't have been threating they shouldn't have been threating
Interrogative form
Simple form
should I threat? should you threat? should she threat? should we threat? should you threat? should they threat?
V-ing form
should I be threating? should you be threating? should she be threating? should we be threating? should you be threating? should they be threating?
Perfect
should I have threated? should you have threated? should she have threated? should we have threated? should you have threated? should they have threated?
V-ing perfect
should I have been threating? should you have been threating? should she have been threating? should we have been threating? should you have been threating? should they have been threating?
Interro-negative form
Simple form
shouldn't I threat? shouldn't you threat? shouldn't she threat? shouldn't we threat? shouldn't you threat? shouldn't they threat?
V-ing form
shouldn't I be threating? shouldn't you be threating? shouldn't she be threating? shouldn't we be threating? shouldn't you be threating? shouldn't they be threating?
Perfect
shouldn't I have threated? shouldn't you have threated? shouldn't she have threated? shouldn't we have threated? shouldn't you have threated? shouldn't they have threated?
V-ing perfect
shouldn't I have been threating? shouldn't you have been threating? shouldn't she have been threating? shouldn't we have been threating? shouldn't you have been threating? shouldn't they have been threating?