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 may not vaporise
you may not vaporise
he may not vaporise
we may not vaporise
you may not vaporise
they may not vaporise 	I may not be vaporising
you may not be vaporising
he may not be vaporising
we may not be vaporising
you may not be vaporising
they may not be vaporising	I may not have vaporised
you may not have vaporised
he may not have vaporised
we may not have vaporised
you may not have vaporised
they may not have vaporised	I may not have been vaporising
you may not have been vaporising
he may not have been vaporising
we may not have been vaporising
you may not have been vaporising
they may not 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 	
may I not vaporise?
may you not vaporise?
may he not vaporise?
may we not vaporise?
may you not vaporise?
may they not vaporise? 	may I not be vaporising?
may you not be vaporising?
may he not be vaporising?
may we not be vaporising?
may you not be vaporising?
may they not be vaporising? 	may I not have vaporised?
may you not have vaporised?
may he not have vaporised?
may we not have vaporised?
may you not have vaporised?
may they not have vaporised? 	may I not have been vaporising?
may you not have been vaporising?
may he not have been vaporising?
may we not have been vaporising?
may you not have been vaporising?
may they not have been vaporising?