may decrease
Verbo regolare: decrease - decreased- decreased

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

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

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

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