Conjugación del verbo inglés
SHOULD ATTAIN

Verbo regular: attain - attained - attained

Afirmación

Forma simple	Forma con V-ing
I should attain you should attain he should attain we should attain you should attain they should attain	I should be attaining you should be attaining he should be attaining we should be attaining you should be attaining they should be attaining
Perfecto	Perfecto con V-ing
I should have attained you should have attained he should have attained we should have attained you should have attained they should have attained	I should have been attaining you should have been attaining he should have been attaining we should have been attaining you should have been attaining they should have been attaining

Negación

Forma simple	Forma con V-ing
I should not attain you should not attain he should not attain we should not attain you should not attain they should not attain	I should not be attaining you should not be attaining he should not be attaining we should not be attaining you should not be attaining they should not be attaining
Perfecto	Perfecto con V-ing
I should not have attained you should not have attained he should not have attained we should not have attained you should not have attained they should not have attained	I should not have been attaining you should not have been attaining he should not have been attaining we should not have been attaining you should not have been attaining they should not have been attaining

Forma interrogativa

Forma simple	Forma con V-ing
should I attain? should you attain? should he attain? should we attain? should you attain? should they attain?	should I be attaining? should you be attaining? should he be attaining? should we be attaining? should you be attaining? should they be attaining?
Perfecto	Perfecto con V-ing
should I have attained? should you have attained? should he have attained? should we have attained? should you have attained? should they have attained?	should I have been attaining? should you have been attaining? should he have been attaining? should we have been attaining? should you have been attaining? should they have been attaining?

Forma interro-negativa

Forma simple	Forma con V-ing
should I not attain? should you not attain? should he not attain? should we not attain? should you not attain? should they not attain?	should I not be attaining? should you not be attaining? should he not be attaining? should we not be attaining? should you not be attaining? should they not be attaining?
Perfecto	Perfecto con V-ing
should I not have attained? should you not have attained? should he not have attained? should we not have attained? should you not have attained? should they not have attained?	should I not have been attaining? should you not have been attaining? should he not have been attaining? should we not have been attaining? should you not have been attaining? should they not have been attaining?