should countermarch
Verbo regular: countermarch - countermarched- countermarched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should countermarch
you should countermarch
he should countermarch
we should countermarch
you should countermarch
they should countermarch 	I should be countermarching
you should be countermarching
he should be countermarching
we should be countermarching
you should be countermarching
they should be countermarching	I should have countermarched
you should have countermarched
he should have countermarched
we should have countermarched
you should have countermarched
they should have countermarched	I should have been countermarching
you should have been countermarching
he should have been countermarching
we should have been countermarching
you should have been countermarching
they should have been countermarching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not countermarch
you should not countermarch
he should not countermarch
we should not countermarch
you should not countermarch
they should not countermarch 	I should not be countermarching
you should not be countermarching
he should not be countermarching
we should not be countermarching
you should not be countermarching
they should not be countermarching	I should not have countermarched
you should not have countermarched
he should not have countermarched
we should not have countermarched
you should not have countermarched
they should not have countermarched	I should not have been countermarching
you should not have been countermarching
he should not have been countermarching
we should not have been countermarching
you should not have been countermarching
they should not have been countermarching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I countermarch?
should you countermarch?
should he countermarch?
should we countermarch?
should you countermarch?
should they countermarch? 	should I be countermarching?
should you be countermarching?
should he be countermarching?
should we be countermarching?
should you be countermarching?
should they be countermarching? 	should I have countermarched?
should you have countermarched?
should he have countermarched?
should we have countermarched?
should you have countermarched?
should they have countermarched? 	should I have been countermarching?
should you have been countermarching?
should he have been countermarching?
should we have been countermarching?
should you have been countermarching?
should they have been countermarching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not countermarch?
should you not countermarch?
should he not countermarch?
should we not countermarch?
should you not countermarch?
should they not countermarch? 	should I not be countermarching?
should you not be countermarching?
should he not be countermarching?
should we not be countermarching?
should you not be countermarching?
should they not be countermarching? 	should I not have countermarched?
should you not have countermarched?
should he not have countermarched?
should we not have countermarched?
should you not have countermarched?
should they not have countermarched? 	should I not have been countermarching?
should you not have been countermarching?
should he not have been countermarching?
should we not have been countermarching?
should you not have been countermarching?
should they not have been countermarching?