English verb conjugation COULD CATEGORISE

Regular verb: categorise - categorised - categorised

Affirmation

Simple form

I could categorise
you could categorise
he could categorise
we could categorise
you could categorise
they could categorise

V-ing form

I could be categorising
you could be categorising
he could be categorising
we could be categorising
you could be categorising
they could be categorising

Perfect

I could have categorised
you could have categorised
he could have categorised
we could have categorised
you could have categorised
they could have categorised

V-ing perfect

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

Negation

Simple form

I could not categorise
you could not categorise
he could not categorise
we could not categorise
you could not categorise
they could not categorise

V-ing form

I could not be categorising
you could not be categorising
he could not be categorising
we could not be categorising
you could not be categorising
they could not be categorising

Perfect

I could not have categorised
you could not have categorised
he could not have categorised
we could not have categorised
you could not have categorised
they could not have categorised

V-ing perfect

I could not have been categorising
you could not have been categorising
he could not have been categorising
we could not have been categorising
you could not have been categorising
they could not have been categorising

Interrogative form

Simple form

could I categorise?
could you categorise?
could he categorise?
could we categorise?
could you categorise?
could they categorise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not categorise?
could you not categorise?
could he not categorise?
could we not categorise?
could you not categorise?
could they not categorise?

V-ing form

could I not be categorising?
could you not be categorising?
could he not be categorising?
could we not be categorising?
could you not be categorising?
could they not be categorising?

Perfect

could I not have categorised?
could you not have categorised?
could he not have categorised?
could we not have categorised?
could you not have categorised?
could they not have categorised?

V-ing perfect

could I not have been categorising?
could you not have been categorising?
could he not have been categorising?
could we not have been categorising?
could you not have been categorising?
could they not have been categorising?

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