may oxidise
Regular verb: oxidise - oxidised- oxidised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may oxidise
you may oxidise
he may oxidise
we may oxidise
you may oxidise
they may oxidise 	I may be oxidising
you may be oxidising
he may be oxidising
we may be oxidising
you may be oxidising
they may be oxidising	I may have oxidised
you may have oxidised
he may have oxidised
we may have oxidised
you may have oxidised
they may have oxidised	I may have been oxidising
you may have been oxidising
he may have been oxidising
we may have been oxidising
you may have been oxidising
they may have been oxidising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't oxidise
you mayn't oxidise
he mayn't oxidise
we mayn't oxidise
you mayn't oxidise
they mayn't oxidise 	I mayn't be oxidising
you mayn't be oxidising
he mayn't be oxidising
we mayn't be oxidising
you mayn't be oxidising
they mayn't be oxidising	I mayn't have oxidised
you mayn't have oxidised
he mayn't have oxidised
we mayn't have oxidised
you mayn't have oxidised
they mayn't have oxidised	I mayn't have been oxidising
you mayn't have been oxidising
he mayn't have been oxidising
we mayn't have been oxidising
you mayn't have been oxidising
they mayn't have been oxidising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I oxidise?
may you oxidise?
may he oxidise?
may we oxidise?
may you oxidise?
may they oxidise? 	may I be oxidising?
may you be oxidising?
may he be oxidising?
may we be oxidising?
may you be oxidising?
may they be oxidising? 	may I have oxidised?
may you have oxidised?
may he have oxidised?
may we have oxidised?
may you have oxidised?
may they have oxidised? 	may I have been oxidising?
may you have been oxidising?
may he have been oxidising?
may we have been oxidising?
may you have been oxidising?
may they have been oxidising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I oxidise?
mayn't you oxidise?
mayn't he oxidise?
mayn't we oxidise?
mayn't you oxidise?
mayn't they oxidise? 	mayn't I be oxidising?
mayn't you be oxidising?
mayn't he be oxidising?
mayn't we be oxidising?
mayn't you be oxidising?
mayn't they be oxidising? 	mayn't I have oxidised?
mayn't you have oxidised?
mayn't he have oxidised?
mayn't we have oxidised?
mayn't you have oxidised?
mayn't they have oxidised? 	mayn't I have been oxidising?
mayn't you have been oxidising?
mayn't he have been oxidising?
mayn't we have been oxidising?
mayn't you have been oxidising?
mayn't they have been oxidising?