I'd be multiplying you'd be multiplying he'd be multiplying we'd be multiplying you'd be multiplying they'd be multiplying
Perfect
I should've multiplied you should've multiplied he should've multiplied we should've multiplied you should've multiplied they should've multiplied
V-ing perfect
I should've been multiplying you should've been multiplying he should've been multiplying we should've been multiplying you should've been multiplying they should've been multiplying
Negation
Simple form
I shouldn't multiply you shouldn't multiply he shouldn't multiply we shouldn't multiply you shouldn't multiply they shouldn't multiply
V-ing form
I shouldn't be multiplying you shouldn't be multiplying he shouldn't be multiplying we shouldn't be multiplying you shouldn't be multiplying they shouldn't be multiplying
Perfect
I shouldn't have multiplied you shouldn't have multiplied he shouldn't have multiplied we shouldn't have multiplied you shouldn't have multiplied they shouldn't have multiplied
V-ing perfect
I shouldn't have been multiplying you shouldn't have been multiplying he shouldn't have been multiplying we shouldn't have been multiplying you shouldn't have been multiplying they shouldn't have been multiplying
Interrogative form
Simple form
should I multiply? should you multiply? should he multiply? should we multiply? should you multiply? should they multiply?
V-ing form
should I be multiplying? should you be multiplying? should he be multiplying? should we be multiplying? should you be multiplying? should they be multiplying?
Perfect
should I have multiplied? should you have multiplied? should he have multiplied? should we have multiplied? should you have multiplied? should they have multiplied?
V-ing perfect
should I have been multiplying? should you have been multiplying? should he have been multiplying? should we have been multiplying? should you have been multiplying? should they have been multiplying?
Interro-negative form
Simple form
shouldn't I multiply? shouldn't you multiply? shouldn't he multiply? shouldn't we multiply? shouldn't you multiply? shouldn't they multiply?
V-ing form
shouldn't I be multiplying? shouldn't you be multiplying? shouldn't he be multiplying? shouldn't we be multiplying? shouldn't you be multiplying? shouldn't they be multiplying?
Perfect
shouldn't I have multiplied? shouldn't you have multiplied? shouldn't he have multiplied? shouldn't we have multiplied? shouldn't you have multiplied? shouldn't they have multiplied?
V-ing perfect
shouldn't I have been multiplying? shouldn't you have been multiplying? shouldn't he have been multiplying? shouldn't we have been multiplying? shouldn't you have been multiplying? shouldn't they have been multiplying?