should pencil
Verbo regular: pencil - pencilled- pencilled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should pencil
you should pencil
he should pencil
we should pencil
you should pencil
they should pencil 	I should be pencilling
you should be pencilling
he should be pencilling
we should be pencilling
you should be pencilling
they should be pencilling	I should have pencilled
you should have pencilled
he should have pencilled
we should have pencilled
you should have pencilled
they should have pencilled	I should have been pencilling
you should have been pencilling
he should have been pencilling
we should have been pencilling
you should have been pencilling
they should have been pencilling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not pencil
you should not pencil
he should not pencil
we should not pencil
you should not pencil
they should not pencil 	I should not be pencilling
you should not be pencilling
he should not be pencilling
we should not be pencilling
you should not be pencilling
they should not be pencilling	I should not have pencilled
you should not have pencilled
he should not have pencilled
we should not have pencilled
you should not have pencilled
they should not have pencilled	I should not have been pencilling
you should not have been pencilling
he should not have been pencilling
we should not have been pencilling
you should not have been pencilling
they should not have been pencilling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I pencil?
should you pencil?
should he pencil?
should we pencil?
should you pencil?
should they pencil? 	should I be pencilling?
should you be pencilling?
should he be pencilling?
should we be pencilling?
should you be pencilling?
should they be pencilling? 	should I have pencilled?
should you have pencilled?
should he have pencilled?
should we have pencilled?
should you have pencilled?
should they have pencilled? 	should I have been pencilling?
should you have been pencilling?
should he have been pencilling?
should we have been pencilling?
should you have been pencilling?
should they have been pencilling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not pencil?
should you not pencil?
should he not pencil?
should we not pencil?
should you not pencil?
should they not pencil? 	should I not be pencilling?
should you not be pencilling?
should he not be pencilling?
should we not be pencilling?
should you not be pencilling?
should they not be pencilling? 	should I not have pencilled?
should you not have pencilled?
should he not have pencilled?
should we not have pencilled?
should you not have pencilled?
should they not have pencilled? 	should I not have been pencilling?
should you not have been pencilling?
should he not have been pencilling?
should we not have been pencilling?
should you not have been pencilling?
should they not have been pencilling?