should inject
Verbo regular: inject - injected- injected

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should inject
you should inject
he should inject
we should inject
you should inject
they should inject 	I should be injecting
you should be injecting
he should be injecting
we should be injecting
you should be injecting
they should be injecting	I should have injected
you should have injected
he should have injected
we should have injected
you should have injected
they should have injected	I should have been injecting
you should have been injecting
he should have been injecting
we should have been injecting
you should have been injecting
they should have been injecting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not inject
you should not inject
he should not inject
we should not inject
you should not inject
they should not inject 	I should not be injecting
you should not be injecting
he should not be injecting
we should not be injecting
you should not be injecting
they should not be injecting	I should not have injected
you should not have injected
he should not have injected
we should not have injected
you should not have injected
they should not have injected	I should not have been injecting
you should not have been injecting
he should not have been injecting
we should not have been injecting
you should not have been injecting
they should not have been injecting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I inject?
should you inject?
should he inject?
should we inject?
should you inject?
should they inject? 	should I be injecting?
should you be injecting?
should he be injecting?
should we be injecting?
should you be injecting?
should they be injecting? 	should I have injected?
should you have injected?
should he have injected?
should we have injected?
should you have injected?
should they have injected? 	should I have been injecting?
should you have been injecting?
should he have been injecting?
should we have been injecting?
should you have been injecting?
should they have been injecting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not inject?
should you not inject?
should he not inject?
should we not inject?
should you not inject?
should they not inject? 	should I not be injecting?
should you not be injecting?
should he not be injecting?
should we not be injecting?
should you not be injecting?
should they not be injecting? 	should I not have injected?
should you not have injected?
should he not have injected?
should we not have injected?
should you not have injected?
should they not have injected? 	should I not have been injecting?
should you not have been injecting?
should he not have been injecting?
should we not have been injecting?
should you not have been injecting?
should they not have been injecting?