English verb conjugation
SHOULD SPY

Regular verb: spy - spied - spied

Affirmation

Simple form	V-ing form
I'd spy you'd spy she'd spy we'd spy you'd spy they'd spy	I'd be spying you'd be spying she'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 she 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 she 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 she 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 she 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 she 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 she 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 she spy? should we spy? should you spy? should they spy?	should I be spying? should you be spying? should she 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 she 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 she 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 she 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 she 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 she 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 she have been spying? shouldn't we have been spying? shouldn't you have been spying? shouldn't they have been spying?