may leaven
Verbo regular: leaven - leavened- leavened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may leaven
you may leaven
he may leaven
we may leaven
you may leaven
they may leaven 	I may be leavening
you may be leavening
he may be leavening
we may be leavening
you may be leavening
they may be leavening	I may have leavened
you may have leavened
he may have leavened
we may have leavened
you may have leavened
they may have leavened	I may have been leavening
you may have been leavening
he may have been leavening
we may have been leavening
you may have been leavening
they may have been leavening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't leaven
you mayn't leaven
he mayn't leaven
we mayn't leaven
you mayn't leaven
they mayn't leaven 	I mayn't be leavening
you mayn't be leavening
he mayn't be leavening
we mayn't be leavening
you mayn't be leavening
they mayn't be leavening	I mayn't have leavened
you mayn't have leavened
he mayn't have leavened
we mayn't have leavened
you mayn't have leavened
they mayn't have leavened	I mayn't have been leavening
you mayn't have been leavening
he mayn't have been leavening
we mayn't have been leavening
you mayn't have been leavening
they mayn't have been leavening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I leaven?
may you leaven?
may he leaven?
may we leaven?
may you leaven?
may they leaven? 	may I be leavening?
may you be leavening?
may he be leavening?
may we be leavening?
may you be leavening?
may they be leavening? 	may I have leavened?
may you have leavened?
may he have leavened?
may we have leavened?
may you have leavened?
may they have leavened? 	may I have been leavening?
may you have been leavening?
may he have been leavening?
may we have been leavening?
may you have been leavening?
may they have been leavening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I leaven?
mayn't you leaven?
mayn't he leaven?
mayn't we leaven?
mayn't you leaven?
mayn't they leaven? 	mayn't I be leavening?
mayn't you be leavening?
mayn't he be leavening?
mayn't we be leavening?
mayn't you be leavening?
mayn't they be leavening? 	mayn't I have leavened?
mayn't you have leavened?
mayn't he have leavened?
mayn't we have leavened?
mayn't you have leavened?
mayn't they have leavened? 	mayn't I have been leavening?
mayn't you have been leavening?
mayn't he have been leavening?
mayn't we have been leavening?
mayn't you have been leavening?
mayn't they have been leavening?