I should choose you should choose he should choose we should choose you should choose they should choose
V-ing form
I should be choosing you should be choosing he should be choosing we should be choosing you should be choosing they should be choosing
Perfect
I should have chosen you should have chosen he should have chosen we should have chosen you should have chosen they should have chosen
V-ing perfect
I should have been choosing you should have been choosing he should have been choosing we should have been choosing you should have been choosing they should have been choosing
Negation
Simple form
I should not choose you should not choose he should not choose we should not choose you should not choose they should not choose
V-ing form
I should not be choosing you should not be choosing he should not be choosing we should not be choosing you should not be choosing they should not be choosing
Perfect
I should not have chosen you should not have chosen he should not have chosen we should not have chosen you should not have chosen they should not have chosen
V-ing perfect
I should not have been choosing you should not have been choosing he should not have been choosing we should not have been choosing you should not have been choosing they should not have been choosing
Interrogative form
Simple form
should I choose? should you choose? should he choose? should we choose? should you choose? should they choose?
V-ing form
should I be choosing? should you be choosing? should he be choosing? should we be choosing? should you be choosing? should they be choosing?
Perfect
should I have chosen? should you have chosen? should he have chosen? should we have chosen? should you have chosen? should they have chosen?
V-ing perfect
should I have been choosing? should you have been choosing? should he have been choosing? should we have been choosing? should you have been choosing? should they have been choosing?
Interro-negative form
Simple form
should I not choose? should you not choose? should he not choose? should we not choose? should you not choose? should they not choose?
V-ing form
should I not be choosing? should you not be choosing? should he not be choosing? should we not be choosing? should you not be choosing? should they not be choosing?
Perfect
should I not have chosen? should you not have chosen? should he not have chosen? should we not have chosen? should you not have chosen? should they not have chosen?
V-ing perfect
should I not have been choosing? should you not have been choosing? should he not have been choosing? should we not have been choosing? should you not have been choosing? should they not have been choosing?