I'd be plowing you'd be plowing she'd be plowing we'd be plowing you'd be plowing they'd be plowing
Perfect
I should've plowed you should've plowed she should've plowed we should've plowed you should've plowed they should've plowed
Perfect en V-ing
I should've been plowing you should've been plowing she should've been plowing we should've been plowing you should've been plowing they should've been plowing
Négation
Forme simple
I shouldn't plow you shouldn't plow she shouldn't plow we shouldn't plow you shouldn't plow they shouldn't plow
Forme en V-ing
I shouldn't be plowing you shouldn't be plowing she shouldn't be plowing we shouldn't be plowing you shouldn't be plowing they shouldn't be plowing
Perfect
I shouldn't have plowed you shouldn't have plowed she shouldn't have plowed we shouldn't have plowed you shouldn't have plowed they shouldn't have plowed
Perfect en V-ing
I shouldn't have been plowing you shouldn't have been plowing she shouldn't have been plowing we shouldn't have been plowing you shouldn't have been plowing they shouldn't have been plowing
Forme interrogative
Forme simple
should I plow? should you plow? should she plow? should we plow? should you plow? should they plow?
Forme en V-ing
should I be plowing? should you be plowing? should she be plowing? should we be plowing? should you be plowing? should they be plowing?
Perfect
should I have plowed? should you have plowed? should she have plowed? should we have plowed? should you have plowed? should they have plowed?
Perfect en V-ing
should I have been plowing? should you have been plowing? should she have been plowing? should we have been plowing? should you have been plowing? should they have been plowing?
Forme interro-négative
Forme simple
shouldn't I plow? shouldn't you plow? shouldn't she plow? shouldn't we plow? shouldn't you plow? shouldn't they plow?
Forme en V-ing
shouldn't I be plowing? shouldn't you be plowing? shouldn't she be plowing? shouldn't we be plowing? shouldn't you be plowing? shouldn't they be plowing?
Perfect
shouldn't I have plowed? shouldn't you have plowed? shouldn't she have plowed? shouldn't we have plowed? shouldn't you have plowed? shouldn't they have plowed?
Perfect en V-ing
shouldn't I have been plowing? shouldn't you have been plowing? shouldn't she have been plowing? shouldn't we have been plowing? shouldn't you have been plowing? shouldn't they have been plowing?