should increase
Regular verb: increase - increased- increased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd increase
you'd increase
she'd increase
we'd increase
you'd increase
they'd increase 	I'd be increasing
you'd be increasing
she'd be increasing
we'd be increasing
you'd be increasing
they'd be increasing	I should've increased
you should've increased
she should've increased
we should've increased
you should've increased
they should've increased	I should've been increasing
you should've been increasing
she should've been increasing
we should've been increasing
you should've been increasing
they should've been increasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't increase
you shouldn't increase
she shouldn't increase
we shouldn't increase
you shouldn't increase
they shouldn't increase 	I shouldn't be increasing
you shouldn't be increasing
she shouldn't be increasing
we shouldn't be increasing
you shouldn't be increasing
they shouldn't be increasing	I shouldn't have increased
you shouldn't have increased
she shouldn't have increased
we shouldn't have increased
you shouldn't have increased
they shouldn't have increased	I shouldn't have been increasing
you shouldn't have been increasing
she shouldn't have been increasing
we shouldn't have been increasing
you shouldn't have been increasing
they shouldn't have been increasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I increase?
should you increase?
should she increase?
should we increase?
should you increase?
should they increase? 	should I be increasing?
should you be increasing?
should she be increasing?
should we be increasing?
should you be increasing?
should they be increasing? 	should I have increased?
should you have increased?
should she have increased?
should we have increased?
should you have increased?
should they have increased? 	should I have been increasing?
should you have been increasing?
should she have been increasing?
should we have been increasing?
should you have been increasing?
should they have been increasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I increase?
shouldn't you increase?
shouldn't she increase?
shouldn't we increase?
shouldn't you increase?
shouldn't they increase? 	shouldn't I be increasing?
shouldn't you be increasing?
shouldn't she be increasing?
shouldn't we be increasing?
shouldn't you be increasing?
shouldn't they be increasing? 	shouldn't I have increased?
shouldn't you have increased?
shouldn't she have increased?
shouldn't we have increased?
shouldn't you have increased?
shouldn't they have increased? 	shouldn't I have been increasing?
shouldn't you have been increasing?
shouldn't she have been increasing?
shouldn't we have been increasing?
shouldn't you have been increasing?
shouldn't they have been increasing?