should drum
Verbo regular: drum - drummed- drummed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should drum
you should drum
he should drum
we should drum
you should drum
they should drum 	I should be drumming
you should be drumming
he should be drumming
we should be drumming
you should be drumming
they should be drumming	I should have drummed
you should have drummed
he should have drummed
we should have drummed
you should have drummed
they should have drummed	I should have been drumming
you should have been drumming
he should have been drumming
we should have been drumming
you should have been drumming
they should have been drumming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not drum
you should not drum
he should not drum
we should not drum
you should not drum
they should not drum 	I should not be drumming
you should not be drumming
he should not be drumming
we should not be drumming
you should not be drumming
they should not be drumming	I should not have drummed
you should not have drummed
he should not have drummed
we should not have drummed
you should not have drummed
they should not have drummed	I should not have been drumming
you should not have been drumming
he should not have been drumming
we should not have been drumming
you should not have been drumming
they should not have been drumming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I drum?
should you drum?
should he drum?
should we drum?
should you drum?
should they drum? 	should I be drumming?
should you be drumming?
should he be drumming?
should we be drumming?
should you be drumming?
should they be drumming? 	should I have drummed?
should you have drummed?
should he have drummed?
should we have drummed?
should you have drummed?
should they have drummed? 	should I have been drumming?
should you have been drumming?
should he have been drumming?
should we have been drumming?
should you have been drumming?
should they have been drumming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not drum?
should you not drum?
should he not drum?
should we not drum?
should you not drum?
should they not drum? 	should I not be drumming?
should you not be drumming?
should he not be drumming?
should we not be drumming?
should you not be drumming?
should they not be drumming? 	should I not have drummed?
should you not have drummed?
should he not have drummed?
should we not have drummed?
should you not have drummed?
should they not have drummed? 	should I not have been drumming?
should you not have been drumming?
should he not have been drumming?
should we not have been drumming?
should you not have been drumming?
should they not have been drumming?