should inject
Verbo regular: inject - injected- injected

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I'd inject
you'd inject
she'd inject
we'd inject
you'd inject
they'd inject 	I'd be injecting
you'd be injecting
she'd be injecting
we'd be injecting
you'd be injecting
they'd be injecting	I should've injected
you should've injected
she should've injected
we should've injected
you should've injected
they should've injected	I should've been injecting
you should've been injecting
she should've been injecting
we should've been injecting
you should've been injecting
they should've been injecting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I shouldn't inject
you shouldn't inject
she shouldn't inject
we shouldn't inject
you shouldn't inject
they shouldn't inject 	I shouldn't be injecting
you shouldn't be injecting
she shouldn't be injecting
we shouldn't be injecting
you shouldn't be injecting
they shouldn't be injecting	I shouldn't have injected
you shouldn't have injected
she shouldn't have injected
we shouldn't have injected
you shouldn't have injected
they shouldn't have injected	I shouldn't have been injecting
you shouldn't have been injecting
she shouldn't have been injecting
we shouldn't have been injecting
you shouldn't have been injecting
they shouldn't have been injecting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I inject?
should you inject?
should she inject?
should we inject?
should you inject?
should they inject? 	should I be injecting?
should you be injecting?
should she be injecting?
should we be injecting?
should you be injecting?
should they be injecting? 	should I have injected?
should you have injected?
should she 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 she 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 	
shouldn't I inject?
shouldn't you inject?
shouldn't she inject?
shouldn't we inject?
shouldn't you inject?
shouldn't they inject? 	shouldn't I be injecting?
shouldn't you be injecting?
shouldn't she be injecting?
shouldn't we be injecting?
shouldn't you be injecting?
shouldn't they be injecting? 	shouldn't I have injected?
shouldn't you have injected?
shouldn't she have injected?
shouldn't we have injected?
shouldn't you have injected?
shouldn't they have injected? 	shouldn't I have been injecting?
shouldn't you have been injecting?
shouldn't she have been injecting?
shouldn't we have been injecting?
shouldn't you have been injecting?
shouldn't they have been injecting?