should grubstake
Regular verb: grubstake - grubstaked- grubstaked

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