may sterilise
Verbo regular: sterilise - sterilised- sterilised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may sterilise
you may sterilise
he may sterilise
we may sterilise
you may sterilise
they may sterilise 	I may be sterilising
you may be sterilising
he may be sterilising
we may be sterilising
you may be sterilising
they may be sterilising	I may have sterilised
you may have sterilised
he may have sterilised
we may have sterilised
you may have sterilised
they may have sterilised	I may have been sterilising
you may have been sterilising
he may have been sterilising
we may have been sterilising
you may have been sterilising
they may have been sterilising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't sterilise
you mayn't sterilise
he mayn't sterilise
we mayn't sterilise
you mayn't sterilise
they mayn't sterilise 	I mayn't be sterilising
you mayn't be sterilising
he mayn't be sterilising
we mayn't be sterilising
you mayn't be sterilising
they mayn't be sterilising	I mayn't have sterilised
you mayn't have sterilised
he mayn't have sterilised
we mayn't have sterilised
you mayn't have sterilised
they mayn't have sterilised	I mayn't have been sterilising
you mayn't have been sterilising
he mayn't have been sterilising
we mayn't have been sterilising
you mayn't have been sterilising
they mayn't have been sterilising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I sterilise?
may you sterilise?
may he sterilise?
may we sterilise?
may you sterilise?
may they sterilise? 	may I be sterilising?
may you be sterilising?
may he be sterilising?
may we be sterilising?
may you be sterilising?
may they be sterilising? 	may I have sterilised?
may you have sterilised?
may he have sterilised?
may we have sterilised?
may you have sterilised?
may they have sterilised? 	may I have been sterilising?
may you have been sterilising?
may he have been sterilising?
may we have been sterilising?
may you have been sterilising?
may they have been sterilising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I sterilise?
mayn't you sterilise?
mayn't he sterilise?
mayn't we sterilise?
mayn't you sterilise?
mayn't they sterilise? 	mayn't I be sterilising?
mayn't you be sterilising?
mayn't he be sterilising?
mayn't we be sterilising?
mayn't you be sterilising?
mayn't they be sterilising? 	mayn't I have sterilised?
mayn't you have sterilised?
mayn't he have sterilised?
mayn't we have sterilised?
mayn't you have sterilised?
mayn't they have sterilised? 	mayn't I have been sterilising?
mayn't you have been sterilising?
mayn't he have been sterilising?
mayn't we have been sterilising?
mayn't you have been sterilising?
mayn't they have been sterilising?