should decrease
Verbo regolare: decrease - decreased- decreased

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should decrease
you should decrease
he should decrease
we should decrease
you should decrease
they should decrease 	I should be decreasing
you should be decreasing
he should be decreasing
we should be decreasing
you should be decreasing
they should be decreasing	I should have decreased
you should have decreased
he should have decreased
we should have decreased
you should have decreased
they should have decreased	I should have been decreasing
you should have been decreasing
he should have been decreasing
we should have been decreasing
you should have been decreasing
they should have been decreasing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should not decrease
you should not decrease
he should not decrease
we should not decrease
you should not decrease
they should not decrease 	I should not be decreasing
you should not be decreasing
he should not be decreasing
we should not be decreasing
you should not be decreasing
they should not be decreasing	I should not have decreased
you should not have decreased
he should not have decreased
we should not have decreased
you should not have decreased
they should not have decreased	I should not have been decreasing
you should not have been decreasing
he should not have been decreasing
we should not have been decreasing
you should not have been decreasing
they should not have been decreasing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I decrease?
should you decrease?
should he decrease?
should we decrease?
should you decrease?
should they decrease? 	should I be decreasing?
should you be decreasing?
should he be decreasing?
should we be decreasing?
should you be decreasing?
should they be decreasing? 	should I have decreased?
should you have decreased?
should he have decreased?
should we have decreased?
should you have decreased?
should they have decreased? 	should I have been decreasing?
should you have been decreasing?
should he have been decreasing?
should we have been decreasing?
should you have been decreasing?
should they have been decreasing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I not decrease?
should you not decrease?
should he not decrease?
should we not decrease?
should you not decrease?
should they not decrease? 	should I not be decreasing?
should you not be decreasing?
should he not be decreasing?
should we not be decreasing?
should you not be decreasing?
should they not be decreasing? 	should I not have decreased?
should you not have decreased?
should he not have decreased?
should we not have decreased?
should you not have decreased?
should they not have decreased? 	should I not have been decreasing?
should you not have been decreasing?
should he not have been decreasing?
should we not have been decreasing?
should you not have been decreasing?
should they not have been decreasing?