English verb conjugation COULD SUBCATEGORIZE

Regular verb: subcategorize - subcategorized - subcategorized

Affirmation

Simple form

I could subcategorize
you could subcategorize
he could subcategorize
we could subcategorize
you could subcategorize
they could subcategorize

V-ing form

I could be subcategorizing
you could be subcategorizing
he could be subcategorizing
we could be subcategorizing
you could be subcategorizing
they could be subcategorizing

Perfect

I could have subcategorized
you could have subcategorized
he could have subcategorized
we could have subcategorized
you could have subcategorized
they could have subcategorized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I subcategorize?
could you subcategorize?
could he subcategorize?
could we subcategorize?
could you subcategorize?
could they subcategorize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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