should increase
Regular verb: increase - increased- increased

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not increase
you should not increase
she should not increase
we should not increase
you should not increase
they should not increase 	I should not be increasing
you should not be increasing
she should not be increasing
we should not be increasing
you should not be increasing
they should not be increasing	I should not have increased
you should not have increased
she should not have increased
we should not have increased
you should not have increased
they should not have increased	I should not have been increasing
you should not have been increasing
she should not have been increasing
we should not have been increasing
you should not have been increasing
they should not 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 	
should I not increase?
should you not increase?
should she not increase?
should we not increase?
should you not increase?
should they not increase? 	should I not be increasing?
should you not be increasing?
should she not be increasing?
should we not be increasing?
should you not be increasing?
should they not be increasing? 	should I not have increased?
should you not have increased?
should she not have increased?
should we not have increased?
should you not have increased?
should they not have increased? 	should I not have been increasing?
should you not have been increasing?
should she not have been increasing?
should we not have been increasing?
should you not have been increasing?
should they not have been increasing?