should harpoon
Regular verb: harpoon - harpooned- harpooned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd harpoon
you'd harpoon
she'd harpoon
we'd harpoon
you'd harpoon
they'd harpoon 	I'd be harpooning
you'd be harpooning
she'd be harpooning
we'd be harpooning
you'd be harpooning
they'd be harpooning	I should've harpooned
you should've harpooned
she should've harpooned
we should've harpooned
you should've harpooned
they should've harpooned	I should've been harpooning
you should've been harpooning
she should've been harpooning
we should've been harpooning
you should've been harpooning
they should've been harpooning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't harpoon
you shouldn't harpoon
she shouldn't harpoon
we shouldn't harpoon
you shouldn't harpoon
they shouldn't harpoon 	I shouldn't be harpooning
you shouldn't be harpooning
she shouldn't be harpooning
we shouldn't be harpooning
you shouldn't be harpooning
they shouldn't be harpooning	I shouldn't have harpooned
you shouldn't have harpooned
she shouldn't have harpooned
we shouldn't have harpooned
you shouldn't have harpooned
they shouldn't have harpooned	I shouldn't have been harpooning
you shouldn't have been harpooning
she shouldn't have been harpooning
we shouldn't have been harpooning
you shouldn't have been harpooning
they shouldn't have been harpooning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I harpoon?
should you harpoon?
should she harpoon?
should we harpoon?
should you harpoon?
should they harpoon? 	should I be harpooning?
should you be harpooning?
should she be harpooning?
should we be harpooning?
should you be harpooning?
should they be harpooning? 	should I have harpooned?
should you have harpooned?
should she have harpooned?
should we have harpooned?
should you have harpooned?
should they have harpooned? 	should I have been harpooning?
should you have been harpooning?
should she have been harpooning?
should we have been harpooning?
should you have been harpooning?
should they have been harpooning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I harpoon?
shouldn't you harpoon?
shouldn't she harpoon?
shouldn't we harpoon?
shouldn't you harpoon?
shouldn't they harpoon? 	shouldn't I be harpooning?
shouldn't you be harpooning?
shouldn't she be harpooning?
shouldn't we be harpooning?
shouldn't you be harpooning?
shouldn't they be harpooning? 	shouldn't I have harpooned?
shouldn't you have harpooned?
shouldn't she have harpooned?
shouldn't we have harpooned?
shouldn't you have harpooned?
shouldn't they have harpooned? 	shouldn't I have been harpooning?
shouldn't you have been harpooning?
shouldn't she have been harpooning?
shouldn't we have been harpooning?
shouldn't you have been harpooning?
shouldn't they have been harpooning?