Conjugação do verbo inglês
MAY USE

Verbo regular: use - used - used

Afirmação

Forma simple	Forma com V-ing
I may use you may use he may use we may use you may use they may use	I may be using you may be using he may be using we may be using you may be using they may be using
Perfeito	Perfeito com V-ing
I may have used you may have used he may have used we may have used you may have used they may have used	I may have been using you may have been using he may have been using we may have been using you may have been using they may have been using

Negação

Forma simple	Forma com V-ing
I mayn't use you mayn't use he mayn't use we mayn't use you mayn't use they mayn't use	I mayn't be using you mayn't be using he mayn't be using we mayn't be using you mayn't be using they mayn't be using
Perfeito	Perfeito com V-ing
I mayn't have used you mayn't have used he mayn't have used we mayn't have used you mayn't have used they mayn't have used	I mayn't have been using you mayn't have been using he mayn't have been using we mayn't have been using you mayn't have been using they mayn't have been using

Forma interrogativa

Forma simple	Forma com V-ing
may I use? may you use? may he use? may we use? may you use? may they use?	may I be using? may you be using? may he be using? may we be using? may you be using? may they be using?
Perfeito	Perfeito com V-ing
may I have used? may you have used? may he have used? may we have used? may you have used? may they have used?	may I have been using? may you have been using? may he have been using? may we have been using? may you have been using? may they have been using?

Forma interro-Negação

Forma simple	Forma com V-ing
mayn't I use? mayn't you use? mayn't he use? mayn't we use? mayn't you use? mayn't they use?	mayn't I be using? mayn't you be using? mayn't he be using? mayn't we be using? mayn't you be using? mayn't they be using?
Perfeito	Perfeito com V-ing
mayn't I have used? mayn't you have used? mayn't he have used? mayn't we have used? mayn't you have used? mayn't they have used?	mayn't I have been using? mayn't you have been using? mayn't he have been using? mayn't we have been using? mayn't you have been using? mayn't they have been using?