English verb conjugation COULD SYMMETRISE

Regular verb: symmetrise - symmetrised - symmetrised

Affirmation

Simple form

I could symmetrise
you could symmetrise
he could symmetrise
we could symmetrise
you could symmetrise
they could symmetrise

V-ing form

I could be symmetrising
you could be symmetrising
he could be symmetrising
we could be symmetrising
you could be symmetrising
they could be symmetrising

Perfect

I could have symmetrised
you could have symmetrised
he could have symmetrised
we could have symmetrised
you could have symmetrised
they could have symmetrised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I symmetrise?
could you symmetrise?
could he symmetrise?
could we symmetrise?
could you symmetrise?
could they symmetrise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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