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 can't alphabetize you can't alphabetize he can't alphabetize we can't alphabetize you can't alphabetize they can't alphabetize
V-ing form
I can't be alphabetizing you can't be alphabetizing he can't be alphabetizing we can't be alphabetizing you can't be alphabetizing they can't be alphabetizing
Perfect
I can't have alphabetized you can't have alphabetized he can't have alphabetized we can't have alphabetized you can't have alphabetized they can't have alphabetized
V-ing perfect
I can't have been alphabetizing you can't have been alphabetizing he can't have been alphabetizing we can't have been alphabetizing you can't have been alphabetizing they can't 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't I alphabetize? can't you alphabetize? can't he alphabetize? can't we alphabetize? can't you alphabetize? can't they alphabetize?
V-ing form
can't I be alphabetizing? can't you be alphabetizing? can't he be alphabetizing? can't we be alphabetizing? can't you be alphabetizing? can't they be alphabetizing?
Perfect
can't I have alphabetized? can't you have alphabetized? can't he have alphabetized? can't we have alphabetized? can't you have alphabetized? can't they have alphabetized?
V-ing perfect
can't I have been alphabetizing? can't you have been alphabetizing? can't he have been alphabetizing? can't we have been alphabetizing? can't you have been alphabetizing? can't they have been alphabetizing?