English verb conjugation COULD DESTABILISE

Regular verb: destabilise - destabilised - destabilised

Affirmation

Simple form

I could destabilise
you could destabilise
he could destabilise
we could destabilise
you could destabilise
they could destabilise

V-ing form

I could be destabilising
you could be destabilising
he could be destabilising
we could be destabilising
you could be destabilising
they could be destabilising

Perfect

I could have destabilised
you could have destabilised
he could have destabilised
we could have destabilised
you could have destabilised
they could have destabilised

V-ing perfect

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

Negation

Simple form

I could not destabilise
you could not destabilise
he could not destabilise
we could not destabilise
you could not destabilise
they could not destabilise

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I destabilise?
could you destabilise?
could he destabilise?
could we destabilise?
could you destabilise?
could they destabilise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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