I'd be questioning you'd be questioning he'd be questioning we'd be questioning you'd be questioning they'd be questioning
Perfecto
I should've questioned you should've questioned he should've questioned we should've questioned you should've questioned they should've questioned
Perfecto con V-ing
I should've been questioning you should've been questioning he should've been questioning we should've been questioning you should've been questioning they should've been questioning
Negación
Forma simple
I shouldn't question you shouldn't question he shouldn't question we shouldn't question you shouldn't question they shouldn't question
Forma con V-ing
I shouldn't be questioning you shouldn't be questioning he shouldn't be questioning we shouldn't be questioning you shouldn't be questioning they shouldn't be questioning
Perfecto
I shouldn't have questioned you shouldn't have questioned he shouldn't have questioned we shouldn't have questioned you shouldn't have questioned they shouldn't have questioned
Perfecto con V-ing
I shouldn't have been questioning you shouldn't have been questioning he shouldn't have been questioning we shouldn't have been questioning you shouldn't have been questioning they shouldn't have been questioning
Forma interrogativa
Forma simple
should I question? should you question? should he question? should we question? should you question? should they question?
Forma con V-ing
should I be questioning? should you be questioning? should he be questioning? should we be questioning? should you be questioning? should they be questioning?
Perfecto
should I have questioned? should you have questioned? should he have questioned? should we have questioned? should you have questioned? should they have questioned?
Perfecto con V-ing
should I have been questioning? should you have been questioning? should he have been questioning? should we have been questioning? should you have been questioning? should they have been questioning?
Forma interro-negativa
Forma simple
shouldn't I question? shouldn't you question? shouldn't he question? shouldn't we question? shouldn't you question? shouldn't they question?
Forma con V-ing
shouldn't I be questioning? shouldn't you be questioning? shouldn't he be questioning? shouldn't we be questioning? shouldn't you be questioning? shouldn't they be questioning?
Perfecto
shouldn't I have questioned? shouldn't you have questioned? shouldn't he have questioned? shouldn't we have questioned? shouldn't you have questioned? shouldn't they have questioned?
Perfecto con V-ing
shouldn't I have been questioning? shouldn't you have been questioning? shouldn't he have been questioning? shouldn't we have been questioning? shouldn't you have been questioning? shouldn't they have been questioning?