Conjugación del verbo inglés
SHOULD RETRIEVE

Verbo regular: retrieve - retrieved - retrieved

Afirmación

Forma simple	Forma con V-ing
I should retrieve you should retrieve he should retrieve we should retrieve you should retrieve they should retrieve	I should be retrieving you should be retrieving he should be retrieving we should be retrieving you should be retrieving they should be retrieving
Perfecto	Perfecto con V-ing
I should have retrieved you should have retrieved he should have retrieved we should have retrieved you should have retrieved they should have retrieved	I should have been retrieving you should have been retrieving he should have been retrieving we should have been retrieving you should have been retrieving they should have been retrieving

Negación

Forma simple	Forma con V-ing
I should not retrieve you should not retrieve he should not retrieve we should not retrieve you should not retrieve they should not retrieve	I should not be retrieving you should not be retrieving he should not be retrieving we should not be retrieving you should not be retrieving they should not be retrieving
Perfecto	Perfecto con V-ing
I should not have retrieved you should not have retrieved he should not have retrieved we should not have retrieved you should not have retrieved they should not have retrieved	I should not have been retrieving you should not have been retrieving he should not have been retrieving we should not have been retrieving you should not have been retrieving they should not have been retrieving

Forma interrogativa

Forma simple	Forma con V-ing
should I retrieve? should you retrieve? should he retrieve? should we retrieve? should you retrieve? should they retrieve?	should I be retrieving? should you be retrieving? should he be retrieving? should we be retrieving? should you be retrieving? should they be retrieving?
Perfecto	Perfecto con V-ing
should I have retrieved? should you have retrieved? should he have retrieved? should we have retrieved? should you have retrieved? should they have retrieved?	should I have been retrieving? should you have been retrieving? should he have been retrieving? should we have been retrieving? should you have been retrieving? should they have been retrieving?

Forma interro-negativa

Forma simple	Forma con V-ing
should I not retrieve? should you not retrieve? should he not retrieve? should we not retrieve? should you not retrieve? should they not retrieve?	should I not be retrieving? should you not be retrieving? should he not be retrieving? should we not be retrieving? should you not be retrieving? should they not be retrieving?
Perfecto	Perfecto con V-ing
should I not have retrieved? should you not have retrieved? should he not have retrieved? should we not have retrieved? should you not have retrieved? should they not have retrieved?	should I not have been retrieving? should you not have been retrieving? should he not have been retrieving? should we not have been retrieving? should you not have been retrieving? should they not have been retrieving?