I can vaporize you can vaporize he can vaporize we can vaporize you can vaporize they can vaporize
V-ing form
I can be vaporizing you can be vaporizing he can be vaporizing we can be vaporizing you can be vaporizing they can be vaporizing
Perfect
I can have vaporized you can have vaporized he can have vaporized we can have vaporized you can have vaporized they can have vaporized
V-ing perfect
I can have been vaporizing you can have been vaporizing he can have been vaporizing we can have been vaporizing you can have been vaporizing they can have been vaporizing
Negation
Simple form
I cannot vaporize you cannot vaporize he cannot vaporize we cannot vaporize you cannot vaporize they cannot vaporize
V-ing form
I cannot be vaporizing you cannot be vaporizing he cannot be vaporizing we cannot be vaporizing you cannot be vaporizing they cannot be vaporizing
Perfect
I cannot have vaporized you cannot have vaporized he cannot have vaporized we cannot have vaporized you cannot have vaporized they cannot have vaporized
V-ing perfect
I cannot have been vaporizing you cannot have been vaporizing he cannot have been vaporizing we cannot have been vaporizing you cannot have been vaporizing they cannot have been vaporizing
Interrogative form
Simple form
can I vaporize? can you vaporize? can he vaporize? can we vaporize? can you vaporize? can they vaporize?
V-ing form
can I be vaporizing? can you be vaporizing? can he be vaporizing? can we be vaporizing? can you be vaporizing? can they be vaporizing?
Perfect
can I have vaporized? can you have vaporized? can he have vaporized? can we have vaporized? can you have vaporized? can they have vaporized?
V-ing perfect
can I have been vaporizing? can you have been vaporizing? can he have been vaporizing? can we have been vaporizing? can you have been vaporizing? can they have been vaporizing?
Interro-negative form
Simple form
can I not vaporize? can you not vaporize? can he not vaporize? can we not vaporize? can you not vaporize? can they not vaporize?
V-ing form
can I not be vaporizing? can you not be vaporizing? can he not be vaporizing? can we not be vaporizing? can you not be vaporizing? can they not be vaporizing?
Perfect
can I not have vaporized? can you not have vaporized? can he not have vaporized? can we not have vaporized? can you not have vaporized? can they not have vaporized?
V-ing perfect
can I not have been vaporizing? can you not have been vaporizing? can he not have been vaporizing? can we not have been vaporizing? can you not have been vaporizing? can they not have been vaporizing?