may rack
Verbo regular: rack - racked- racked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may rack
you may rack
he may rack
we may rack
you may rack
they may rack 	I may be racking
you may be racking
he may be racking
we may be racking
you may be racking
they may be racking	I may have racked
you may have racked
he may have racked
we may have racked
you may have racked
they may have racked	I may have been racking
you may have been racking
he may have been racking
we may have been racking
you may have been racking
they may have been racking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't rack
you mayn't rack
he mayn't rack
we mayn't rack
you mayn't rack
they mayn't rack 	I mayn't be racking
you mayn't be racking
he mayn't be racking
we mayn't be racking
you mayn't be racking
they mayn't be racking	I mayn't have racked
you mayn't have racked
he mayn't have racked
we mayn't have racked
you mayn't have racked
they mayn't have racked	I mayn't have been racking
you mayn't have been racking
he mayn't have been racking
we mayn't have been racking
you mayn't have been racking
they mayn't have been racking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I rack?
may you rack?
may he rack?
may we rack?
may you rack?
may they rack? 	may I be racking?
may you be racking?
may he be racking?
may we be racking?
may you be racking?
may they be racking? 	may I have racked?
may you have racked?
may he have racked?
may we have racked?
may you have racked?
may they have racked? 	may I have been racking?
may you have been racking?
may he have been racking?
may we have been racking?
may you have been racking?
may they have been racking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I rack?
mayn't you rack?
mayn't he rack?
mayn't we rack?
mayn't you rack?
mayn't they rack? 	mayn't I be racking?
mayn't you be racking?
mayn't he be racking?
mayn't we be racking?
mayn't you be racking?
mayn't they be racking? 	mayn't I have racked?
mayn't you have racked?
mayn't he have racked?
mayn't we have racked?
mayn't you have racked?
mayn't they have racked? 	mayn't I have been racking?
mayn't you have been racking?
mayn't he have been racking?
mayn't we have been racking?
mayn't you have been racking?
mayn't they have been racking?