may tighten
Verbo regolare: tighten - tightened- tightened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may tighten
you may tighten
he may tighten
we may tighten
you may tighten
they may tighten 	I may be tightening
you may be tightening
he may be tightening
we may be tightening
you may be tightening
they may be tightening	I may have tightened
you may have tightened
he may have tightened
we may have tightened
you may have tightened
they may have tightened	I may have been tightening
you may have been tightening
he may have been tightening
we may have been tightening
you may have been tightening
they may have been tightening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mayn't tighten
you mayn't tighten
he mayn't tighten
we mayn't tighten
you mayn't tighten
they mayn't tighten 	I mayn't be tightening
you mayn't be tightening
he mayn't be tightening
we mayn't be tightening
you mayn't be tightening
they mayn't be tightening	I mayn't have tightened
you mayn't have tightened
he mayn't have tightened
we mayn't have tightened
you mayn't have tightened
they mayn't have tightened	I mayn't have been tightening
you mayn't have been tightening
he mayn't have been tightening
we mayn't have been tightening
you mayn't have been tightening
they mayn't have been tightening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I tighten?
may you tighten?
may he tighten?
may we tighten?
may you tighten?
may they tighten? 	may I be tightening?
may you be tightening?
may he be tightening?
may we be tightening?
may you be tightening?
may they be tightening? 	may I have tightened?
may you have tightened?
may he have tightened?
may we have tightened?
may you have tightened?
may they have tightened? 	may I have been tightening?
may you have been tightening?
may he have been tightening?
may we have been tightening?
may you have been tightening?
may they have been tightening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mayn't I tighten?
mayn't you tighten?
mayn't he tighten?
mayn't we tighten?
mayn't you tighten?
mayn't they tighten? 	mayn't I be tightening?
mayn't you be tightening?
mayn't he be tightening?
mayn't we be tightening?
mayn't you be tightening?
mayn't they be tightening? 	mayn't I have tightened?
mayn't you have tightened?
mayn't he have tightened?
mayn't we have tightened?
mayn't you have tightened?
mayn't they have tightened? 	mayn't I have been tightening?
mayn't you have been tightening?
mayn't he have been tightening?
mayn't we have been tightening?
mayn't you have been tightening?
mayn't they have been tightening?