would preinvestigate
Regular verb: preinvestigate - preinvestigated- preinvestigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd preinvestigate
you'd preinvestigate
he'd preinvestigate
we'd preinvestigate
you'd preinvestigate
they'd preinvestigate 	I'd be preinvestigating
you'd be preinvestigating
he'd be preinvestigating
we'd be preinvestigating
you'd be preinvestigating
they'd be preinvestigating	I would've preinvestigated
you would've preinvestigated
he would've preinvestigated
we would've preinvestigated
you would've preinvestigated
they would've preinvestigated	I would've been preinvestigating
you would've been preinvestigating
he would've been preinvestigating
we would've been preinvestigating
you would've been preinvestigating
they would've been preinvestigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't preinvestigate
you wouldn't preinvestigate
he wouldn't preinvestigate
we wouldn't preinvestigate
you wouldn't preinvestigate
they wouldn't preinvestigate 	I wouldn't be preinvestigating
you wouldn't be preinvestigating
he wouldn't be preinvestigating
we wouldn't be preinvestigating
you wouldn't be preinvestigating
they wouldn't be preinvestigating	I wouldn't have preinvestigated
you wouldn't have preinvestigated
he wouldn't have preinvestigated
we wouldn't have preinvestigated
you wouldn't have preinvestigated
they wouldn't have preinvestigated	I wouldn't have been preinvestigating
you wouldn't have been preinvestigating
he wouldn't have been preinvestigating
we wouldn't have been preinvestigating
you wouldn't have been preinvestigating
they wouldn't have been preinvestigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I preinvestigate?
would you preinvestigate?
would he preinvestigate?
would we preinvestigate?
would you preinvestigate?
would they preinvestigate? 	would I be preinvestigating?
would you be preinvestigating?
would he be preinvestigating?
would we be preinvestigating?
would you be preinvestigating?
would they be preinvestigating? 	would I have preinvestigated?
would you have preinvestigated?
would he have preinvestigated?
would we have preinvestigated?
would you have preinvestigated?
would they have preinvestigated? 	would I have been preinvestigating?
would you have been preinvestigating?
would he have been preinvestigating?
would we have been preinvestigating?
would you have been preinvestigating?
would they have been preinvestigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I preinvestigate?
wouldn't you preinvestigate?
wouldn't he preinvestigate?
wouldn't we preinvestigate?
wouldn't you preinvestigate?
wouldn't they preinvestigate? 	wouldn't I be preinvestigating?
wouldn't you be preinvestigating?
wouldn't he be preinvestigating?
wouldn't we be preinvestigating?
wouldn't you be preinvestigating?
wouldn't they be preinvestigating? 	wouldn't I have preinvestigated?
wouldn't you have preinvestigated?
wouldn't he have preinvestigated?
wouldn't we have preinvestigated?
wouldn't you have preinvestigated?
wouldn't they have preinvestigated? 	wouldn't I have been preinvestigating?
wouldn't you have been preinvestigating?
wouldn't he have been preinvestigating?
wouldn't we have been preinvestigating?
wouldn't you have been preinvestigating?
wouldn't they have been preinvestigating?