English verb conjugation COULD SUBCATEGORISE

Regular verb: subcategorise - subcategorised - subcategorised

Affirmation

Simple form

I could subcategorise
you could subcategorise
he could subcategorise
we could subcategorise
you could subcategorise
they could subcategorise

V-ing form

I could be subcategorising
you could be subcategorising
he could be subcategorising
we could be subcategorising
you could be subcategorising
they could be subcategorising

Perfect

I could have subcategorised
you could have subcategorised
he could have subcategorised
we could have subcategorised
you could have subcategorised
they could have subcategorised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I subcategorise?
could you subcategorise?
could he subcategorise?
could we subcategorise?
could you subcategorise?
could they subcategorise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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