English verb conjugation COULD DECOLOURISE

Regular verb: decolourise - decolourised - decolourised

Affirmation

Simple form

I could decolourise
you could decolourise
she could decolourise
we could decolourise
you could decolourise
they could decolourise

V-ing form

I could be decolourising
you could be decolourising
she could be decolourising
we could be decolourising
you could be decolourising
they could be decolourising

Perfect

I could have decolourised
you could have decolourised
she could have decolourised
we could have decolourised
you could have decolourised
they could have decolourised

V-ing perfect

I could have been decolourising
you could have been decolourising
she could have been decolourising
we could have been decolourising
you could have been decolourising
they could have been decolourising

Negation

Simple form

I could not decolourise
you could not decolourise
she could not decolourise
we could not decolourise
you could not decolourise
they could not decolourise

V-ing form

I could not be decolourising
you could not be decolourising
she could not be decolourising
we could not be decolourising
you could not be decolourising
they could not be decolourising

Perfect

I could not have decolourised
you could not have decolourised
she could not have decolourised
we could not have decolourised
you could not have decolourised
they could not have decolourised

V-ing perfect

I could not have been decolourising
you could not have been decolourising
she could not have been decolourising
we could not have been decolourising
you could not have been decolourising
they could not have been decolourising

Interrogative form

Simple form

could I decolourise?
could you decolourise?
could she decolourise?
could we decolourise?
could you decolourise?
could they decolourise?

V-ing form

could I be decolourising?
could you be decolourising?
could she be decolourising?
could we be decolourising?
could you be decolourising?
could they be decolourising?

Perfect

could I have decolourised?
could you have decolourised?
could she have decolourised?
could we have decolourised?
could you have decolourised?
could they have decolourised?

V-ing perfect

could I have been decolourising?
could you have been decolourising?
could she have been decolourising?
could we have been decolourising?
could you have been decolourising?
could they have been decolourising?

Interro-negative form

Simple form

could I not decolourise?
could you not decolourise?
could she not decolourise?
could we not decolourise?
could you not decolourise?
could they not decolourise?

V-ing form

could I not be decolourising?
could you not be decolourising?
could she not be decolourising?
could we not be decolourising?
could you not be decolourising?
could they not be decolourising?

Perfect

could I not have decolourised?
could you not have decolourised?
could she not have decolourised?
could we not have decolourised?
could you not have decolourised?
could they not have decolourised?

V-ing perfect

could I not have been decolourising?
could you not have been decolourising?
could she not have been decolourising?
could we not have been decolourising?
could you not have been decolourising?
could they not have been decolourising?

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