should multiply
Regular verb: multiply - multiplied- multiplied

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