may curtain
Verbo regolare: curtain - curtained- curtained

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may curtain
you may curtain
he may curtain
we may curtain
you may curtain
they may curtain 	I may be curtaining
you may be curtaining
he may be curtaining
we may be curtaining
you may be curtaining
they may be curtaining	I may have curtained
you may have curtained
he may have curtained
we may have curtained
you may have curtained
they may have curtained	I may have been curtaining
you may have been curtaining
he may have been curtaining
we may have been curtaining
you may have been curtaining
they may have been curtaining	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may not curtain
you may not curtain
he may not curtain
we may not curtain
you may not curtain
they may not curtain 	I may not be curtaining
you may not be curtaining
he may not be curtaining
we may not be curtaining
you may not be curtaining
they may not be curtaining	I may not have curtained
you may not have curtained
he may not have curtained
we may not have curtained
you may not have curtained
they may not have curtained	I may not have been curtaining
you may not have been curtaining
he may not have been curtaining
we may not have been curtaining
you may not have been curtaining
they may not have been curtaining	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I curtain?
may you curtain?
may he curtain?
may we curtain?
may you curtain?
may they curtain? 	may I be curtaining?
may you be curtaining?
may he be curtaining?
may we be curtaining?
may you be curtaining?
may they be curtaining? 	may I have curtained?
may you have curtained?
may he have curtained?
may we have curtained?
may you have curtained?
may they have curtained? 	may I have been curtaining?
may you have been curtaining?
may he have been curtaining?
may we have been curtaining?
may you have been curtaining?
may they have been curtaining? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I not curtain?
may you not curtain?
may he not curtain?
may we not curtain?
may you not curtain?
may they not curtain? 	may I not be curtaining?
may you not be curtaining?
may he not be curtaining?
may we not be curtaining?
may you not be curtaining?
may they not be curtaining? 	may I not have curtained?
may you not have curtained?
may he not have curtained?
may we not have curtained?
may you not have curtained?
may they not have curtained? 	may I not have been curtaining?
may you not have been curtaining?
may he not have been curtaining?
may we not have been curtaining?
may you not have been curtaining?
may they not have been curtaining?