I can carburize you can carburize he can carburize we can carburize you can carburize they can carburize
V-ing form
I can be carburizing you can be carburizing he can be carburizing we can be carburizing you can be carburizing they can be carburizing
Perfect
I can have carburized you can have carburized he can have carburized we can have carburized you can have carburized they can have carburized
V-ing perfect
I can have been carburizing you can have been carburizing he can have been carburizing we can have been carburizing you can have been carburizing they can have been carburizing
Negation
Simple form
I cannot carburize you cannot carburize he cannot carburize we cannot carburize you cannot carburize they cannot carburize
V-ing form
I cannot be carburizing you cannot be carburizing he cannot be carburizing we cannot be carburizing you cannot be carburizing they cannot be carburizing
Perfect
I cannot have carburized you cannot have carburized he cannot have carburized we cannot have carburized you cannot have carburized they cannot have carburized
V-ing perfect
I cannot have been carburizing you cannot have been carburizing he cannot have been carburizing we cannot have been carburizing you cannot have been carburizing they cannot have been carburizing
Interrogative form
Simple form
can I carburize? can you carburize? can he carburize? can we carburize? can you carburize? can they carburize?
V-ing form
can I be carburizing? can you be carburizing? can he be carburizing? can we be carburizing? can you be carburizing? can they be carburizing?
Perfect
can I have carburized? can you have carburized? can he have carburized? can we have carburized? can you have carburized? can they have carburized?
V-ing perfect
can I have been carburizing? can you have been carburizing? can he have been carburizing? can we have been carburizing? can you have been carburizing? can they have been carburizing?
Interro-negative form
Simple form
can I not carburize? can you not carburize? can he not carburize? can we not carburize? can you not carburize? can they not carburize?
V-ing form
can I not be carburizing? can you not be carburizing? can he not be carburizing? can we not be carburizing? can you not be carburizing? can they not be carburizing?
Perfect
can I not have carburized? can you not have carburized? can he not have carburized? can we not have carburized? can you not have carburized? can they not have carburized?
V-ing perfect
can I not have been carburizing? can you not have been carburizing? can he not have been carburizing? can we not have been carburizing? can you not have been carburizing? can they not have been carburizing?