may vaporise
Regular verb: vaporise - vaporised- vaporised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may vaporise
you may vaporise
he may vaporise
we may vaporise
you may vaporise
they may vaporise 	I may be vaporising
you may be vaporising
he may be vaporising
we may be vaporising
you may be vaporising
they may be vaporising	I may have vaporised
you may have vaporised
he may have vaporised
we may have vaporised
you may have vaporised
they may have vaporised	I may have been vaporising
you may have been vaporising
he may have been vaporising
we may have been vaporising
you may have been vaporising
they may have been vaporising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't vaporise
you mayn't vaporise
he mayn't vaporise
we mayn't vaporise
you mayn't vaporise
they mayn't vaporise 	I mayn't be vaporising
you mayn't be vaporising
he mayn't be vaporising
we mayn't be vaporising
you mayn't be vaporising
they mayn't be vaporising	I mayn't have vaporised
you mayn't have vaporised
he mayn't have vaporised
we mayn't have vaporised
you mayn't have vaporised
they mayn't have vaporised	I mayn't have been vaporising
you mayn't have been vaporising
he mayn't have been vaporising
we mayn't have been vaporising
you mayn't have been vaporising
they mayn't have been vaporising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I vaporise?
may you vaporise?
may he vaporise?
may we vaporise?
may you vaporise?
may they vaporise? 	may I be vaporising?
may you be vaporising?
may he be vaporising?
may we be vaporising?
may you be vaporising?
may they be vaporising? 	may I have vaporised?
may you have vaporised?
may he have vaporised?
may we have vaporised?
may you have vaporised?
may they have vaporised? 	may I have been vaporising?
may you have been vaporising?
may he have been vaporising?
may we have been vaporising?
may you have been vaporising?
may they have been vaporising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I vaporise?
mayn't you vaporise?
mayn't he vaporise?
mayn't we vaporise?
mayn't you vaporise?
mayn't they vaporise? 	mayn't I be vaporising?
mayn't you be vaporising?
mayn't he be vaporising?
mayn't we be vaporising?
mayn't you be vaporising?
mayn't they be vaporising? 	mayn't I have vaporised?
mayn't you have vaporised?
mayn't he have vaporised?
mayn't we have vaporised?
mayn't you have vaporised?
mayn't they have vaporised? 	mayn't I have been vaporising?
mayn't you have been vaporising?
mayn't he have been vaporising?
mayn't we have been vaporising?
mayn't you have been vaporising?
mayn't they have been vaporising?