I should busy you should busy he should busy we should busy you should busy they should busy
V-ing form
I should be busying you should be busying he should be busying we should be busying you should be busying they should be busying
Perfect
I should have busied you should have busied he should have busied we should have busied you should have busied they should have busied
V-ing perfect
I should have been busying you should have been busying he should have been busying we should have been busying you should have been busying they should have been busying
Negation
Simple form
I should not busy you should not busy he should not busy we should not busy you should not busy they should not busy
V-ing form
I should not be busying you should not be busying he should not be busying we should not be busying you should not be busying they should not be busying
Perfect
I should not have busied you should not have busied he should not have busied we should not have busied you should not have busied they should not have busied
V-ing perfect
I should not have been busying you should not have been busying he should not have been busying we should not have been busying you should not have been busying they should not have been busying
Interrogative form
Simple form
should I busy? should you busy? should he busy? should we busy? should you busy? should they busy?
V-ing form
should I be busying? should you be busying? should he be busying? should we be busying? should you be busying? should they be busying?
Perfect
should I have busied? should you have busied? should he have busied? should we have busied? should you have busied? should they have busied?
V-ing perfect
should I have been busying? should you have been busying? should he have been busying? should we have been busying? should you have been busying? should they have been busying?
Interro-negative form
Simple form
should I not busy? should you not busy? should he not busy? should we not busy? should you not busy? should they not busy?
V-ing form
should I not be busying? should you not be busying? should he not be busying? should we not be busying? should you not be busying? should they not be busying?
Perfect
should I not have busied? should you not have busied? should he not have busied? should we not have busied? should you not have busied? should they not have busied?
V-ing perfect
should I not have been busying? should you not have been busying? should he not have been busying? should we not have been busying? should you not have been busying? should they not have been busying?