I should trek you should trek he should trek we should trek you should trek they should trek
Forma con V-ing
I should be trekking you should be trekking he should be trekking we should be trekking you should be trekking they should be trekking
Perfecto
I should have trekked you should have trekked he should have trekked we should have trekked you should have trekked they should have trekked
Perfecto con V-ing
I should have been trekking you should have been trekking he should have been trekking we should have been trekking you should have been trekking they should have been trekking
Negación
Forma simple
I should not trek you should not trek he should not trek we should not trek you should not trek they should not trek
Forma con V-ing
I should not be trekking you should not be trekking he should not be trekking we should not be trekking you should not be trekking they should not be trekking
Perfecto
I should not have trekked you should not have trekked he should not have trekked we should not have trekked you should not have trekked they should not have trekked
Perfecto con V-ing
I should not have been trekking you should not have been trekking he should not have been trekking we should not have been trekking you should not have been trekking they should not have been trekking
Forma interrogativa
Forma simple
should I trek? should you trek? should he trek? should we trek? should you trek? should they trek?
Forma con V-ing
should I be trekking? should you be trekking? should he be trekking? should we be trekking? should you be trekking? should they be trekking?
Perfecto
should I have trekked? should you have trekked? should he have trekked? should we have trekked? should you have trekked? should they have trekked?
Perfecto con V-ing
should I have been trekking? should you have been trekking? should he have been trekking? should we have been trekking? should you have been trekking? should they have been trekking?
Forma interro-negativa
Forma simple
should I not trek? should you not trek? should he not trek? should we not trek? should you not trek? should they not trek?
Forma con V-ing
should I not be trekking? should you not be trekking? should he not be trekking? should we not be trekking? should you not be trekking? should they not be trekking?
Perfecto
should I not have trekked? should you not have trekked? should he not have trekked? should we not have trekked? should you not have trekked? should they not have trekked?
Perfecto con V-ing
should I not have been trekking? should you not have been trekking? should he not have been trekking? should we not have been trekking? should you not have been trekking? should they not have been trekking?