should head
Verbo regular: head - headed- headed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd head
you'd head
he'd head
we'd head
you'd head
they'd head 	I'd be heading
you'd be heading
he'd be heading
we'd be heading
you'd be heading
they'd be heading	I should've headed
you should've headed
he should've headed
we should've headed
you should've headed
they should've headed	I should've been heading
you should've been heading
he should've been heading
we should've been heading
you should've been heading
they should've been heading	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't head
you shouldn't head
he shouldn't head
we shouldn't head
you shouldn't head
they shouldn't head 	I shouldn't be heading
you shouldn't be heading
he shouldn't be heading
we shouldn't be heading
you shouldn't be heading
they shouldn't be heading	I shouldn't have headed
you shouldn't have headed
he shouldn't have headed
we shouldn't have headed
you shouldn't have headed
they shouldn't have headed	I shouldn't have been heading
you shouldn't have been heading
he shouldn't have been heading
we shouldn't have been heading
you shouldn't have been heading
they shouldn't have been heading	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I head?
should you head?
should he head?
should we head?
should you head?
should they head? 	should I be heading?
should you be heading?
should he be heading?
should we be heading?
should you be heading?
should they be heading? 	should I have headed?
should you have headed?
should he have headed?
should we have headed?
should you have headed?
should they have headed? 	should I have been heading?
should you have been heading?
should he have been heading?
should we have been heading?
should you have been heading?
should they have been heading? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
shouldn't I head?
shouldn't you head?
shouldn't he head?
shouldn't we head?
shouldn't you head?
shouldn't they head? 	shouldn't I be heading?
shouldn't you be heading?
shouldn't he be heading?
shouldn't we be heading?
shouldn't you be heading?
shouldn't they be heading? 	shouldn't I have headed?
shouldn't you have headed?
shouldn't he have headed?
shouldn't we have headed?
shouldn't you have headed?
shouldn't they have headed? 	shouldn't I have been heading?
shouldn't you have been heading?
shouldn't he have been heading?
shouldn't we have been heading?
shouldn't you have been heading?
shouldn't they have been heading?