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