may mark
Verbo regular: mark - marked- marked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may mark
you may mark
he may mark
we may mark
you may mark
they may mark 	I may be marking
you may be marking
he may be marking
we may be marking
you may be marking
they may be marking	I may have marked
you may have marked
he may have marked
we may have marked
you may have marked
they may have marked	I may have been marking
you may have been marking
he may have been marking
we may have been marking
you may have been marking
they may have been marking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't mark
you mayn't mark
he mayn't mark
we mayn't mark
you mayn't mark
they mayn't mark 	I mayn't be marking
you mayn't be marking
he mayn't be marking
we mayn't be marking
you mayn't be marking
they mayn't be marking	I mayn't have marked
you mayn't have marked
he mayn't have marked
we mayn't have marked
you mayn't have marked
they mayn't have marked	I mayn't have been marking
you mayn't have been marking
he mayn't have been marking
we mayn't have been marking
you mayn't have been marking
they mayn't have been marking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I mark?
may you mark?
may he mark?
may we mark?
may you mark?
may they mark? 	may I be marking?
may you be marking?
may he be marking?
may we be marking?
may you be marking?
may they be marking? 	may I have marked?
may you have marked?
may he have marked?
may we have marked?
may you have marked?
may they have marked? 	may I have been marking?
may you have been marking?
may he have been marking?
may we have been marking?
may you have been marking?
may they have been marking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I mark?
mayn't you mark?
mayn't he mark?
mayn't we mark?
mayn't you mark?
mayn't they mark? 	mayn't I be marking?
mayn't you be marking?
mayn't he be marking?
mayn't we be marking?
mayn't you be marking?
mayn't they be marking? 	mayn't I have marked?
mayn't you have marked?
mayn't he have marked?
mayn't we have marked?
mayn't you have marked?
mayn't they have marked? 	mayn't I have been marking?
mayn't you have been marking?
mayn't he have been marking?
mayn't we have been marking?
mayn't you have been marking?
mayn't they have been marking?