would investigate
Regular verb: investigate - investigated- investigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd investigate
you'd investigate
she'd investigate
we'd investigate
you'd investigate
they'd investigate 	I'd be investigating
you'd be investigating
she'd be investigating
we'd be investigating
you'd be investigating
they'd be investigating	I would've investigated
you would've investigated
she would've investigated
we would've investigated
you would've investigated
they would've investigated	I would've been investigating
you would've been investigating
she would've been investigating
we would've been investigating
you would've been investigating
they would've been investigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't investigate
you wouldn't investigate
she wouldn't investigate
we wouldn't investigate
you wouldn't investigate
they wouldn't investigate 	I wouldn't be investigating
you wouldn't be investigating
she wouldn't be investigating
we wouldn't be investigating
you wouldn't be investigating
they wouldn't be investigating	I wouldn't have investigated
you wouldn't have investigated
she wouldn't have investigated
we wouldn't have investigated
you wouldn't have investigated
they wouldn't have investigated	I wouldn't have been investigating
you wouldn't have been investigating
she wouldn't have been investigating
we wouldn't have been investigating
you wouldn't have been investigating
they wouldn't have been investigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I investigate?
would you investigate?
would she investigate?
would we investigate?
would you investigate?
would they investigate? 	would I be investigating?
would you be investigating?
would she be investigating?
would we be investigating?
would you be investigating?
would they be investigating? 	would I have investigated?
would you have investigated?
would she have investigated?
would we have investigated?
would you have investigated?
would they have investigated? 	would I have been investigating?
would you have been investigating?
would she have been investigating?
would we have been investigating?
would you have been investigating?
would they have been investigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I investigate?
wouldn't you investigate?
wouldn't she investigate?
wouldn't we investigate?
wouldn't you investigate?
wouldn't they investigate? 	wouldn't I be investigating?
wouldn't you be investigating?
wouldn't she be investigating?
wouldn't we be investigating?
wouldn't you be investigating?
wouldn't they be investigating? 	wouldn't I have investigated?
wouldn't you have investigated?
wouldn't she have investigated?
wouldn't we have investigated?
wouldn't you have investigated?
wouldn't they have investigated? 	wouldn't I have been investigating?
wouldn't you have been investigating?
wouldn't she have been investigating?
wouldn't we have been investigating?
wouldn't you have been investigating?
wouldn't they have been investigating?