I can alphabetize you can alphabetize he can alphabetize we can alphabetize you can alphabetize they can alphabetize
V-ing form
I can be alphabetizing you can be alphabetizing he can be alphabetizing we can be alphabetizing you can be alphabetizing they can be alphabetizing
Perfect
I can have alphabetized you can have alphabetized he can have alphabetized we can have alphabetized you can have alphabetized they can have alphabetized
V-ing perfect
I can have been alphabetizing you can have been alphabetizing he can have been alphabetizing we can have been alphabetizing you can have been alphabetizing they can have been alphabetizing
Negation
Simple form
I cannot alphabetize you cannot alphabetize he cannot alphabetize we cannot alphabetize you cannot alphabetize they cannot alphabetize
V-ing form
I cannot be alphabetizing you cannot be alphabetizing he cannot be alphabetizing we cannot be alphabetizing you cannot be alphabetizing they cannot be alphabetizing
Perfect
I cannot have alphabetized you cannot have alphabetized he cannot have alphabetized we cannot have alphabetized you cannot have alphabetized they cannot have alphabetized
V-ing perfect
I cannot have been alphabetizing you cannot have been alphabetizing he cannot have been alphabetizing we cannot have been alphabetizing you cannot have been alphabetizing they cannot have been alphabetizing
Interrogative form
Simple form
can I alphabetize? can you alphabetize? can he alphabetize? can we alphabetize? can you alphabetize? can they alphabetize?
V-ing form
can I be alphabetizing? can you be alphabetizing? can he be alphabetizing? can we be alphabetizing? can you be alphabetizing? can they be alphabetizing?
Perfect
can I have alphabetized? can you have alphabetized? can he have alphabetized? can we have alphabetized? can you have alphabetized? can they have alphabetized?
V-ing perfect
can I have been alphabetizing? can you have been alphabetizing? can he have been alphabetizing? can we have been alphabetizing? can you have been alphabetizing? can they have been alphabetizing?
Interro-negative form
Simple form
can I not alphabetize? can you not alphabetize? can he not alphabetize? can we not alphabetize? can you not alphabetize? can they not alphabetize?
V-ing form
can I not be alphabetizing? can you not be alphabetizing? can he not be alphabetizing? can we not be alphabetizing? can you not be alphabetizing? can they not be alphabetizing?
Perfect
can I not have alphabetized? can you not have alphabetized? can he not have alphabetized? can we not have alphabetized? can you not have alphabetized? can they not have alphabetized?
V-ing perfect
can I not have been alphabetizing? can you not have been alphabetizing? can he not have been alphabetizing? can we not have been alphabetizing? can you not have been alphabetizing? can they not have been alphabetizing?