may antecede
Verbo regular: antecede - anteceded- anteceded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may antecede
you may antecede
he may antecede
we may antecede
you may antecede
they may antecede 	I may be anteceding
you may be anteceding
he may be anteceding
we may be anteceding
you may be anteceding
they may be anteceding	I may have anteceded
you may have anteceded
he may have anteceded
we may have anteceded
you may have anteceded
they may have anteceded	I may have been anteceding
you may have been anteceding
he may have been anteceding
we may have been anteceding
you may have been anteceding
they may have been anteceding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't antecede
you mayn't antecede
he mayn't antecede
we mayn't antecede
you mayn't antecede
they mayn't antecede 	I mayn't be anteceding
you mayn't be anteceding
he mayn't be anteceding
we mayn't be anteceding
you mayn't be anteceding
they mayn't be anteceding	I mayn't have anteceded
you mayn't have anteceded
he mayn't have anteceded
we mayn't have anteceded
you mayn't have anteceded
they mayn't have anteceded	I mayn't have been anteceding
you mayn't have been anteceding
he mayn't have been anteceding
we mayn't have been anteceding
you mayn't have been anteceding
they mayn't have been anteceding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I antecede?
may you antecede?
may he antecede?
may we antecede?
may you antecede?
may they antecede? 	may I be anteceding?
may you be anteceding?
may he be anteceding?
may we be anteceding?
may you be anteceding?
may they be anteceding? 	may I have anteceded?
may you have anteceded?
may he have anteceded?
may we have anteceded?
may you have anteceded?
may they have anteceded? 	may I have been anteceding?
may you have been anteceding?
may he have been anteceding?
may we have been anteceding?
may you have been anteceding?
may they have been anteceding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I antecede?
mayn't you antecede?
mayn't he antecede?
mayn't we antecede?
mayn't you antecede?
mayn't they antecede? 	mayn't I be anteceding?
mayn't you be anteceding?
mayn't he be anteceding?
mayn't we be anteceding?
mayn't you be anteceding?
mayn't they be anteceding? 	mayn't I have anteceded?
mayn't you have anteceded?
mayn't he have anteceded?
mayn't we have anteceded?
mayn't you have anteceded?
mayn't they have anteceded? 	mayn't I have been anteceding?
mayn't you have been anteceding?
mayn't he have been anteceding?
mayn't we have been anteceding?
mayn't you have been anteceding?
mayn't they have been anteceding?