should cross-multiply
Regular verb: cross-multiply - cross-multiplied- cross-multiplied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd cross-multiply
you'd cross-multiply
she'd cross-multiply
we'd cross-multiply
you'd cross-multiply
they'd cross-multiply 	I'd be cross-multiplying
you'd be cross-multiplying
she'd be cross-multiplying
we'd be cross-multiplying
you'd be cross-multiplying
they'd be cross-multiplying	I should've cross-multiplied
you should've cross-multiplied
she should've cross-multiplied
we should've cross-multiplied
you should've cross-multiplied
they should've cross-multiplied	I should've been cross-multiplying
you should've been cross-multiplying
she should've been cross-multiplying
we should've been cross-multiplying
you should've been cross-multiplying
they should've been cross-multiplying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't cross-multiply
you shouldn't cross-multiply
she shouldn't cross-multiply
we shouldn't cross-multiply
you shouldn't cross-multiply
they shouldn't cross-multiply 	I shouldn't be cross-multiplying
you shouldn't be cross-multiplying
she shouldn't be cross-multiplying
we shouldn't be cross-multiplying
you shouldn't be cross-multiplying
they shouldn't be cross-multiplying	I shouldn't have cross-multiplied
you shouldn't have cross-multiplied
she shouldn't have cross-multiplied
we shouldn't have cross-multiplied
you shouldn't have cross-multiplied
they shouldn't have cross-multiplied	I shouldn't have been cross-multiplying
you shouldn't have been cross-multiplying
she shouldn't have been cross-multiplying
we shouldn't have been cross-multiplying
you shouldn't have been cross-multiplying
they shouldn't have been cross-multiplying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I cross-multiply?
should you cross-multiply?
should she cross-multiply?
should we cross-multiply?
should you cross-multiply?
should they cross-multiply? 	should I be cross-multiplying?
should you be cross-multiplying?
should she be cross-multiplying?
should we be cross-multiplying?
should you be cross-multiplying?
should they be cross-multiplying? 	should I have cross-multiplied?
should you have cross-multiplied?
should she have cross-multiplied?
should we have cross-multiplied?
should you have cross-multiplied?
should they have cross-multiplied? 	should I have been cross-multiplying?
should you have been cross-multiplying?
should she have been cross-multiplying?
should we have been cross-multiplying?
should you have been cross-multiplying?
should they have been cross-multiplying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I cross-multiply?
shouldn't you cross-multiply?
shouldn't she cross-multiply?
shouldn't we cross-multiply?
shouldn't you cross-multiply?
shouldn't they cross-multiply? 	shouldn't I be cross-multiplying?
shouldn't you be cross-multiplying?
shouldn't she be cross-multiplying?
shouldn't we be cross-multiplying?
shouldn't you be cross-multiplying?
shouldn't they be cross-multiplying? 	shouldn't I have cross-multiplied?
shouldn't you have cross-multiplied?
shouldn't she have cross-multiplied?
shouldn't we have cross-multiplied?
shouldn't you have cross-multiplied?
shouldn't they have cross-multiplied? 	shouldn't I have been cross-multiplying?
shouldn't you have been cross-multiplying?
shouldn't she have been cross-multiplying?
shouldn't we have been cross-multiplying?
shouldn't you have been cross-multiplying?
shouldn't they have been cross-multiplying?