I can vaporise you can vaporise he can vaporise we can vaporise you can vaporise they can vaporise
V-ing form
I can be vaporising you can be vaporising he can be vaporising we can be vaporising you can be vaporising they can be vaporising
Perfect
I can have vaporised you can have vaporised he can have vaporised we can have vaporised you can have vaporised they can have vaporised
V-ing perfect
I can have been vaporising you can have been vaporising he can have been vaporising we can have been vaporising you can have been vaporising they can have been vaporising
Negation
Simple form
I cannot vaporise you cannot vaporise he cannot vaporise we cannot vaporise you cannot vaporise they cannot vaporise
V-ing form
I cannot be vaporising you cannot be vaporising he cannot be vaporising we cannot be vaporising you cannot be vaporising they cannot be vaporising
Perfect
I cannot have vaporised you cannot have vaporised he cannot have vaporised we cannot have vaporised you cannot have vaporised they cannot have vaporised
V-ing perfect
I cannot have been vaporising you cannot have been vaporising he cannot have been vaporising we cannot have been vaporising you cannot have been vaporising they cannot have been vaporising
Interrogative form
Simple form
can I vaporise? can you vaporise? can he vaporise? can we vaporise? can you vaporise? can they vaporise?
V-ing form
can I be vaporising? can you be vaporising? can he be vaporising? can we be vaporising? can you be vaporising? can they be vaporising?
Perfect
can I have vaporised? can you have vaporised? can he have vaporised? can we have vaporised? can you have vaporised? can they have vaporised?
V-ing perfect
can I have been vaporising? can you have been vaporising? can he have been vaporising? can we have been vaporising? can you have been vaporising? can they have been vaporising?
Interro-negative form
Simple form
can I not vaporise? can you not vaporise? can he not vaporise? can we not vaporise? can you not vaporise? can they not vaporise?
V-ing form
can I not be vaporising? can you not be vaporising? can he not be vaporising? can we not be vaporising? can you not be vaporising? can they not be vaporising?
Perfect
can I not have vaporised? can you not have vaporised? can he not have vaporised? can we not have vaporised? can you not have vaporised? can they not have vaporised?
V-ing perfect
can I not have been vaporising? can you not have been vaporising? can he not have been vaporising? can we not have been vaporising? can you not have been vaporising? can they not have been vaporising?