English verb conjugation
SHOULD SPY

Regular verb: spy - spied - spied

Affirmation

Simple form	V-ing form
I'd spy you'd spy he'd spy we'd spy you'd spy they'd spy	I'd be spying you'd be spying he'd be spying we'd be spying you'd be spying they'd be spying
Perfect	V-ing perfect
I should've spied you should've spied he should've spied we should've spied you should've spied they should've spied	I should've been spying you should've been spying he should've been spying we should've been spying you should've been spying they should've been spying

Negation

Simple form	V-ing form
I shouldn't spy you shouldn't spy he shouldn't spy we shouldn't spy you shouldn't spy they shouldn't spy	I shouldn't be spying you shouldn't be spying he shouldn't be spying we shouldn't be spying you shouldn't be spying they shouldn't be spying
Perfect	V-ing perfect
I shouldn't have spied you shouldn't have spied he shouldn't have spied we shouldn't have spied you shouldn't have spied they shouldn't have spied	I shouldn't have been spying you shouldn't have been spying he shouldn't have been spying we shouldn't have been spying you shouldn't have been spying they shouldn't have been spying

Interrogative form

Simple form	V-ing form
should I spy? should you spy? should he spy? should we spy? should you spy? should they spy?	should I be spying? should you be spying? should he be spying? should we be spying? should you be spying? should they be spying?
Perfect	V-ing perfect
should I have spied? should you have spied? should he have spied? should we have spied? should you have spied? should they have spied?	should I have been spying? should you have been spying? should he have been spying? should we have been spying? should you have been spying? should they have been spying?

Interro-negative form

Simple form	V-ing form
shouldn't I spy? shouldn't you spy? shouldn't he spy? shouldn't we spy? shouldn't you spy? shouldn't they spy?	shouldn't I be spying? shouldn't you be spying? shouldn't he be spying? shouldn't we be spying? shouldn't you be spying? shouldn't they be spying?
Perfect	V-ing perfect
shouldn't I have spied? shouldn't you have spied? shouldn't he have spied? shouldn't we have spied? shouldn't you have spied? shouldn't they have spied?	shouldn't I have been spying? shouldn't you have been spying? shouldn't he have been spying? shouldn't we have been spying? shouldn't you have been spying? shouldn't they have been spying?