may last
Verbo regular: last - lasted- lasted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may last
you may last
he may last
we may last
you may last
they may last 	I may be lasting
you may be lasting
he may be lasting
we may be lasting
you may be lasting
they may be lasting	I may have lasted
you may have lasted
he may have lasted
we may have lasted
you may have lasted
they may have lasted	I may have been lasting
you may have been lasting
he may have been lasting
we may have been lasting
you may have been lasting
they may have been lasting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't last
you mayn't last
he mayn't last
we mayn't last
you mayn't last
they mayn't last 	I mayn't be lasting
you mayn't be lasting
he mayn't be lasting
we mayn't be lasting
you mayn't be lasting
they mayn't be lasting	I mayn't have lasted
you mayn't have lasted
he mayn't have lasted
we mayn't have lasted
you mayn't have lasted
they mayn't have lasted	I mayn't have been lasting
you mayn't have been lasting
he mayn't have been lasting
we mayn't have been lasting
you mayn't have been lasting
they mayn't have been lasting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I last?
may you last?
may he last?
may we last?
may you last?
may they last? 	may I be lasting?
may you be lasting?
may he be lasting?
may we be lasting?
may you be lasting?
may they be lasting? 	may I have lasted?
may you have lasted?
may he have lasted?
may we have lasted?
may you have lasted?
may they have lasted? 	may I have been lasting?
may you have been lasting?
may he have been lasting?
may we have been lasting?
may you have been lasting?
may they have been lasting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I last?
mayn't you last?
mayn't he last?
mayn't we last?
mayn't you last?
mayn't they last? 	mayn't I be lasting?
mayn't you be lasting?
mayn't he be lasting?
mayn't we be lasting?
mayn't you be lasting?
mayn't they be lasting? 	mayn't I have lasted?
mayn't you have lasted?
mayn't he have lasted?
mayn't we have lasted?
mayn't you have lasted?
mayn't they have lasted? 	mayn't I have been lasting?
mayn't you have been lasting?
mayn't he have been lasting?
mayn't we have been lasting?
mayn't you have been lasting?
mayn't they have been lasting?