should overinvest
Regular verb: overinvest - overinvested- overinvested

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd overinvest
you'd overinvest
he'd overinvest
we'd overinvest
you'd overinvest
they'd overinvest 	I'd be overinvesting
you'd be overinvesting
he'd be overinvesting
we'd be overinvesting
you'd be overinvesting
they'd be overinvesting	I should've overinvested
you should've overinvested
he should've overinvested
we should've overinvested
you should've overinvested
they should've overinvested	I should've been overinvesting
you should've been overinvesting
he should've been overinvesting
we should've been overinvesting
you should've been overinvesting
they should've been overinvesting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't overinvest
you shouldn't overinvest
he shouldn't overinvest
we shouldn't overinvest
you shouldn't overinvest
they shouldn't overinvest 	I shouldn't be overinvesting
you shouldn't be overinvesting
he shouldn't be overinvesting
we shouldn't be overinvesting
you shouldn't be overinvesting
they shouldn't be overinvesting	I shouldn't have overinvested
you shouldn't have overinvested
he shouldn't have overinvested
we shouldn't have overinvested
you shouldn't have overinvested
they shouldn't have overinvested	I shouldn't have been overinvesting
you shouldn't have been overinvesting
he shouldn't have been overinvesting
we shouldn't have been overinvesting
you shouldn't have been overinvesting
they shouldn't have been overinvesting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I overinvest?
should you overinvest?
should he overinvest?
should we overinvest?
should you overinvest?
should they overinvest? 	should I be overinvesting?
should you be overinvesting?
should he be overinvesting?
should we be overinvesting?
should you be overinvesting?
should they be overinvesting? 	should I have overinvested?
should you have overinvested?
should he have overinvested?
should we have overinvested?
should you have overinvested?
should they have overinvested? 	should I have been overinvesting?
should you have been overinvesting?
should he have been overinvesting?
should we have been overinvesting?
should you have been overinvesting?
should they have been overinvesting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I overinvest?
shouldn't you overinvest?
shouldn't he overinvest?
shouldn't we overinvest?
shouldn't you overinvest?
shouldn't they overinvest? 	shouldn't I be overinvesting?
shouldn't you be overinvesting?
shouldn't he be overinvesting?
shouldn't we be overinvesting?
shouldn't you be overinvesting?
shouldn't they be overinvesting? 	shouldn't I have overinvested?
shouldn't you have overinvested?
shouldn't he have overinvested?
shouldn't we have overinvested?
shouldn't you have overinvested?
shouldn't they have overinvested? 	shouldn't I have been overinvesting?
shouldn't you have been overinvesting?
shouldn't he have been overinvesting?
shouldn't we have been overinvesting?
shouldn't you have been overinvesting?
shouldn't they have been overinvesting?