may heighten
Verbo regolare: heighten - heightened- heightened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may heighten
you may heighten
he may heighten
we may heighten
you may heighten
they may heighten 	I may be heightening
you may be heightening
he may be heightening
we may be heightening
you may be heightening
they may be heightening	I may have heightened
you may have heightened
he may have heightened
we may have heightened
you may have heightened
they may have heightened	I may have been heightening
you may have been heightening
he may have been heightening
we may have been heightening
you may have been heightening
they may have been heightening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mayn't heighten
you mayn't heighten
he mayn't heighten
we mayn't heighten
you mayn't heighten
they mayn't heighten 	I mayn't be heightening
you mayn't be heightening
he mayn't be heightening
we mayn't be heightening
you mayn't be heightening
they mayn't be heightening	I mayn't have heightened
you mayn't have heightened
he mayn't have heightened
we mayn't have heightened
you mayn't have heightened
they mayn't have heightened	I mayn't have been heightening
you mayn't have been heightening
he mayn't have been heightening
we mayn't have been heightening
you mayn't have been heightening
they mayn't have been heightening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I heighten?
may you heighten?
may he heighten?
may we heighten?
may you heighten?
may they heighten? 	may I be heightening?
may you be heightening?
may he be heightening?
may we be heightening?
may you be heightening?
may they be heightening? 	may I have heightened?
may you have heightened?
may he have heightened?
may we have heightened?
may you have heightened?
may they have heightened? 	may I have been heightening?
may you have been heightening?
may he have been heightening?
may we have been heightening?
may you have been heightening?
may they have been heightening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mayn't I heighten?
mayn't you heighten?
mayn't he heighten?
mayn't we heighten?
mayn't you heighten?
mayn't they heighten? 	mayn't I be heightening?
mayn't you be heightening?
mayn't he be heightening?
mayn't we be heightening?
mayn't you be heightening?
mayn't they be heightening? 	mayn't I have heightened?
mayn't you have heightened?
mayn't he have heightened?
mayn't we have heightened?
mayn't you have heightened?
mayn't they have heightened? 	mayn't I have been heightening?
mayn't you have been heightening?
mayn't he have been heightening?
mayn't we have been heightening?
mayn't you have been heightening?
mayn't they have been heightening?