I should smell you should smell he should smell we should smell you should smell they should smell
V-ing form
I should be smelling you should be smelling he should be smelling we should be smelling you should be smelling they should be smelling
Perfect
I should have smelled, smelt you should have smelled, smelt he should have smelled, smelt we should have smelled, smelt you should have smelled, smelt they should have smelled, smelt
V-ing perfect
I should have been smelling you should have been smelling he should have been smelling we should have been smelling you should have been smelling they should have been smelling
Negation
Simple form
I should not smell you should not smell he should not smell we should not smell you should not smell they should not smell
V-ing form
I should not be smelling you should not be smelling he should not be smelling we should not be smelling you should not be smelling they should not be smelling
Perfect
I should not have smelled, smelt you should not have smelled, smelt he should not have smelled, smelt we should not have smelled, smelt you should not have smelled, smelt they should not have smelled, smelt
V-ing perfect
I should not have been smelling you should not have been smelling he should not have been smelling we should not have been smelling you should not have been smelling they should not have been smelling
Interrogative form
Simple form
should I smell? should you smell? should he smell? should we smell? should you smell? should they smell?
V-ing form
should I be smelling? should you be smelling? should he be smelling? should we be smelling? should you be smelling? should they be smelling?
Perfect
should I have smelled, smelt? should you have smelled, smelt? should he have smelled, smelt? should we have smelled, smelt? should you have smelled, smelt? should they have smelled, smelt?
V-ing perfect
should I have been smelling? should you have been smelling? should he have been smelling? should we have been smelling? should you have been smelling? should they have been smelling?
Interro-negative form
Simple form
should I not smell? should you not smell? should he not smell? should we not smell? should you not smell? should they not smell?
V-ing form
should I not be smelling? should you not be smelling? should he not be smelling? should we not be smelling? should you not be smelling? should they not be smelling?
Perfect
should I not have smelled, smelt? should you not have smelled, smelt? should he not have smelled, smelt? should we not have smelled, smelt? should you not have smelled, smelt? should they not have smelled, smelt?
V-ing perfect
should I not have been smelling? should you not have been smelling? should he not have been smelling? should we not have been smelling? should you not have been smelling? should they not have been smelling?