should strum
Verbo regular: strum - strummed- strummed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should strum
you should strum
he should strum
we should strum
you should strum
they should strum 	I should be strumming
you should be strumming
he should be strumming
we should be strumming
you should be strumming
they should be strumming	I should have strummed
you should have strummed
he should have strummed
we should have strummed
you should have strummed
they should have strummed	I should have been strumming
you should have been strumming
he should have been strumming
we should have been strumming
you should have been strumming
they should have been strumming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not strum
you should not strum
he should not strum
we should not strum
you should not strum
they should not strum 	I should not be strumming
you should not be strumming
he should not be strumming
we should not be strumming
you should not be strumming
they should not be strumming	I should not have strummed
you should not have strummed
he should not have strummed
we should not have strummed
you should not have strummed
they should not have strummed	I should not have been strumming
you should not have been strumming
he should not have been strumming
we should not have been strumming
you should not have been strumming
they should not have been strumming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I strum?
should you strum?
should he strum?
should we strum?
should you strum?
should they strum? 	should I be strumming?
should you be strumming?
should he be strumming?
should we be strumming?
should you be strumming?
should they be strumming? 	should I have strummed?
should you have strummed?
should he have strummed?
should we have strummed?
should you have strummed?
should they have strummed? 	should I have been strumming?
should you have been strumming?
should he have been strumming?
should we have been strumming?
should you have been strumming?
should they have been strumming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not strum?
should you not strum?
should he not strum?
should we not strum?
should you not strum?
should they not strum? 	should I not be strumming?
should you not be strumming?
should he not be strumming?
should we not be strumming?
should you not be strumming?
should they not be strumming? 	should I not have strummed?
should you not have strummed?
should he not have strummed?
should we not have strummed?
should you not have strummed?
should they not have strummed? 	should I not have been strumming?
should you not have been strumming?
should he not have been strumming?
should we not have been strumming?
should you not have been strumming?
should they not have been strumming?