should grubstake
Regular verb: grubstake - grubstaked- grubstaked

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