Conjugación del verbo inglés
SHOULD SUSTAIN

Verbo regular: sustain - sustained - sustained

Afirmación

Forma simple	Forma con V-ing
I should sustain you should sustain she should sustain we should sustain you should sustain they should sustain	I should be sustaining you should be sustaining she should be sustaining we should be sustaining you should be sustaining they should be sustaining
Perfecto	Perfecto con V-ing
I should have sustained you should have sustained she should have sustained we should have sustained you should have sustained they should have sustained	I should have been sustaining you should have been sustaining she should have been sustaining we should have been sustaining you should have been sustaining they should have been sustaining

Negación

Forma simple	Forma con V-ing
I should not sustain you should not sustain she should not sustain we should not sustain you should not sustain they should not sustain	I should not be sustaining you should not be sustaining she should not be sustaining we should not be sustaining you should not be sustaining they should not be sustaining
Perfecto	Perfecto con V-ing
I should not have sustained you should not have sustained she should not have sustained we should not have sustained you should not have sustained they should not have sustained	I should not have been sustaining you should not have been sustaining she should not have been sustaining we should not have been sustaining you should not have been sustaining they should not have been sustaining

Forma interrogativa

Forma simple	Forma con V-ing
should I sustain? should you sustain? should she sustain? should we sustain? should you sustain? should they sustain?	should I be sustaining? should you be sustaining? should she be sustaining? should we be sustaining? should you be sustaining? should they be sustaining?
Perfecto	Perfecto con V-ing
should I have sustained? should you have sustained? should she have sustained? should we have sustained? should you have sustained? should they have sustained?	should I have been sustaining? should you have been sustaining? should she have been sustaining? should we have been sustaining? should you have been sustaining? should they have been sustaining?

Forma interro-negativa

Forma simple	Forma con V-ing
should I not sustain? should you not sustain? should she not sustain? should we not sustain? should you not sustain? should they not sustain?	should I not be sustaining? should you not be sustaining? should she not be sustaining? should we not be sustaining? should you not be sustaining? should they not be sustaining?
Perfecto	Perfecto con V-ing
should I not have sustained? should you not have sustained? should she not have sustained? should we not have sustained? should you not have sustained? should they not have sustained?	should I not have been sustaining? should you not have been sustaining? should she not have been sustaining? should we not have been sustaining? should you not have been sustaining? should they not have been sustaining?