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