
Regular verb: busy - busied - busied
Simple form | V-ing form | 
| I'd busy you'd busy he'd busy we'd busy you'd busy they'd busy  | I'd be busying you'd be busying he'd be busying we'd be busying you'd be busying they'd be busying  | 
Perfect | V-ing perfect | 
| I should've busied you should've busied he should've busied we should've busied you should've busied they should've busied  | I should've been busying you should've been busying he should've been busying we should've been busying you should've been busying they should've been busying  | 
Simple form | V-ing form | 
| I shouldn't busy you shouldn't busy he shouldn't busy we shouldn't busy you shouldn't busy they shouldn't busy  | I shouldn't be busying you shouldn't be busying he shouldn't be busying we shouldn't be busying you shouldn't be busying they shouldn't be busying  | 
Perfect | V-ing perfect | 
| I shouldn't have busied you shouldn't have busied he shouldn't have busied we shouldn't have busied you shouldn't have busied they shouldn't have busied  | I shouldn't have been busying you shouldn't have been busying he shouldn't have been busying we shouldn't have been busying you shouldn't have been busying they shouldn't have been busying  | 
Simple form | V-ing form | 
| should I busy? should you busy? should he busy? should we busy? should you busy? should they busy?  | 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 | V-ing 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?  | 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?  | 
Simple form | V-ing form | 
| shouldn't I busy? shouldn't you busy? shouldn't he busy? shouldn't we busy? shouldn't you busy? shouldn't they busy?  | shouldn't I be busying? shouldn't you be busying? shouldn't he be busying? shouldn't we be busying? shouldn't you be busying? shouldn't they be busying?  | 
Perfect | V-ing perfect | 
| shouldn't I have busied? shouldn't you have busied? shouldn't he have busied? shouldn't we have busied? shouldn't you have busied? shouldn't they have busied?  | shouldn't I have been busying? shouldn't you have been busying? shouldn't he have been busying? shouldn't we have been busying? shouldn't you have been busying? shouldn't they have been busying?  |