English verb conjugation COULD ALPHABETIZE

Regular verb: alphabetize - alphabetized - alphabetized

Affirmation

Simple form

I could alphabetize
you could alphabetize
he could alphabetize
we could alphabetize
you could alphabetize
they could alphabetize

V-ing form

I could be alphabetizing
you could be alphabetizing
he could be alphabetizing
we could be alphabetizing
you could be alphabetizing
they could be alphabetizing

Perfect

I could have alphabetized
you could have alphabetized
he could have alphabetized
we could have alphabetized
you could have alphabetized
they could have alphabetized

V-ing perfect

I could have been alphabetizing
you could have been alphabetizing
he could have been alphabetizing
we could have been alphabetizing
you could have been alphabetizing
they could have been alphabetizing

Negation

Simple form

I couldn't alphabetize
you couldn't alphabetize
he couldn't alphabetize
we couldn't alphabetize
you couldn't alphabetize
they couldn't alphabetize

V-ing form

I couldn't be alphabetizing
you couldn't be alphabetizing
he couldn't be alphabetizing
we couldn't be alphabetizing
you couldn't be alphabetizing
they couldn't be alphabetizing

Perfect

I couldn't have alphabetized
you couldn't have alphabetized
he couldn't have alphabetized
we couldn't have alphabetized
you couldn't have alphabetized
they couldn't have alphabetized

V-ing perfect

I couldn't have been alphabetizing
you couldn't have been alphabetizing
he couldn't have been alphabetizing
we couldn't have been alphabetizing
you couldn't have been alphabetizing
they couldn't have been alphabetizing

Interrogative form

Simple form

could I alphabetize?
could you alphabetize?
could he alphabetize?
could we alphabetize?
could you alphabetize?
could they alphabetize?

V-ing form

could I be alphabetizing?
could you be alphabetizing?
could he be alphabetizing?
could we be alphabetizing?
could you be alphabetizing?
could they be alphabetizing?

Perfect

could I have alphabetized?
could you have alphabetized?
could he have alphabetized?
could we have alphabetized?
could you have alphabetized?
could they have alphabetized?

V-ing perfect

could I have been alphabetizing?
could you have been alphabetizing?
could he have been alphabetizing?
could we have been alphabetizing?
could you have been alphabetizing?
could they have been alphabetizing?

Interro-negative form

Simple form

couldn't I alphabetize?
couldn't you alphabetize?
couldn't he alphabetize?
couldn't we alphabetize?
couldn't you alphabetize?
couldn't they alphabetize?

V-ing form

couldn't I be alphabetizing?
couldn't you be alphabetizing?
couldn't he be alphabetizing?
couldn't we be alphabetizing?
couldn't you be alphabetizing?
couldn't they be alphabetizing?

Perfect

couldn't I have alphabetized?
couldn't you have alphabetized?
couldn't he have alphabetized?
couldn't we have alphabetized?
couldn't you have alphabetized?
couldn't they have alphabetized?

V-ing perfect

couldn't I have been alphabetizing?
couldn't you have been alphabetizing?
couldn't he have been alphabetizing?
couldn't we have been alphabetizing?
couldn't you have been alphabetizing?
couldn't they have been alphabetizing?

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