may sing
Verbo irregular: sing - sang- sung

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may sing
you may sing
he may sing
we may sing
you may sing
they may sing 	I may be singing
you may be singing
he may be singing
we may be singing
you may be singing
they may be singing	I may have sung
you may have sung
he may have sung
we may have sung
you may have sung
they may have sung	I may have been singing
you may have been singing
he may have been singing
we may have been singing
you may have been singing
they may have been singing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't sing
you mayn't sing
he mayn't sing
we mayn't sing
you mayn't sing
they mayn't sing 	I mayn't be singing
you mayn't be singing
he mayn't be singing
we mayn't be singing
you mayn't be singing
they mayn't be singing	I mayn't have sung
you mayn't have sung
he mayn't have sung
we mayn't have sung
you mayn't have sung
they mayn't have sung	I mayn't have been singing
you mayn't have been singing
he mayn't have been singing
we mayn't have been singing
you mayn't have been singing
they mayn't have been singing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I sing?
may you sing?
may he sing?
may we sing?
may you sing?
may they sing? 	may I be singing?
may you be singing?
may he be singing?
may we be singing?
may you be singing?
may they be singing? 	may I have sung?
may you have sung?
may he have sung?
may we have sung?
may you have sung?
may they have sung? 	may I have been singing?
may you have been singing?
may he have been singing?
may we have been singing?
may you have been singing?
may they have been singing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I sing?
mayn't you sing?
mayn't he sing?
mayn't we sing?
mayn't you sing?
mayn't they sing? 	mayn't I be singing?
mayn't you be singing?
mayn't he be singing?
mayn't we be singing?
mayn't you be singing?
mayn't they be singing? 	mayn't I have sung?
mayn't you have sung?
mayn't he have sung?
mayn't we have sung?
mayn't you have sung?
mayn't they have sung? 	mayn't I have been singing?
mayn't you have been singing?
mayn't he have been singing?
mayn't we have been singing?
mayn't you have been singing?
mayn't they have been singing?