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