I should scratch you should scratch he should scratch we should scratch you should scratch they should scratch
Forma con V-ing
I should be scratching you should be scratching he should be scratching we should be scratching you should be scratching they should be scratching
Perfecto
I should have scratched you should have scratched he should have scratched we should have scratched you should have scratched they should have scratched
Perfecto con V-ing
I should have been scratching you should have been scratching he should have been scratching we should have been scratching you should have been scratching they should have been scratching
Negación
Forma simple
I should not scratch you should not scratch he should not scratch we should not scratch you should not scratch they should not scratch
Forma con V-ing
I should not be scratching you should not be scratching he should not be scratching we should not be scratching you should not be scratching they should not be scratching
Perfecto
I should not have scratched you should not have scratched he should not have scratched we should not have scratched you should not have scratched they should not have scratched
Perfecto con V-ing
I should not have been scratching you should not have been scratching he should not have been scratching we should not have been scratching you should not have been scratching they should not have been scratching
Forma interrogativa
Forma simple
should I scratch? should you scratch? should he scratch? should we scratch? should you scratch? should they scratch?
Forma con V-ing
should I be scratching? should you be scratching? should he be scratching? should we be scratching? should you be scratching? should they be scratching?
Perfecto
should I have scratched? should you have scratched? should he have scratched? should we have scratched? should you have scratched? should they have scratched?
Perfecto con V-ing
should I have been scratching? should you have been scratching? should he have been scratching? should we have been scratching? should you have been scratching? should they have been scratching?
Forma interro-negativa
Forma simple
should I not scratch? should you not scratch? should he not scratch? should we not scratch? should you not scratch? should they not scratch?
Forma con V-ing
should I not be scratching? should you not be scratching? should he not be scratching? should we not be scratching? should you not be scratching? should they not be scratching?
Perfecto
should I not have scratched? should you not have scratched? should he not have scratched? should we not have scratched? should you not have scratched? should they not have scratched?
Perfecto con V-ing
should I not have been scratching? should you not have been scratching? should he not have been scratching? should we not have been scratching? should you not have been scratching? should they not have been scratching?