English verb conjugation COULD CONCRETISE

Regular verb: concretise - concretised - concretised

Affirmation

Simple form

I could concretise
you could concretise
she could concretise
we could concretise
you could concretise
they could concretise

V-ing form

I could be concretising
you could be concretising
she could be concretising
we could be concretising
you could be concretising
they could be concretising

Perfect

I could have concretised
you could have concretised
she could have concretised
we could have concretised
you could have concretised
they could have concretised

V-ing perfect

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

Negation

Simple form

I couldn't concretise
you couldn't concretise
she couldn't concretise
we couldn't concretise
you couldn't concretise
they couldn't concretise

V-ing form

I couldn't be concretising
you couldn't be concretising
she couldn't be concretising
we couldn't be concretising
you couldn't be concretising
they couldn't be concretising

Perfect

I couldn't have concretised
you couldn't have concretised
she couldn't have concretised
we couldn't have concretised
you couldn't have concretised
they couldn't have concretised

V-ing perfect

I couldn't have been concretising
you couldn't have been concretising
she couldn't have been concretising
we couldn't have been concretising
you couldn't have been concretising
they couldn't have been concretising

Interrogative form

Simple form

could I concretise?
could you concretise?
could she concretise?
could we concretise?
could you concretise?
could they concretise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I concretise?
couldn't you concretise?
couldn't she concretise?
couldn't we concretise?
couldn't you concretise?
couldn't they concretise?

V-ing form

couldn't I be concretising?
couldn't you be concretising?
couldn't she be concretising?
couldn't we be concretising?
couldn't you be concretising?
couldn't they be concretising?

Perfect

couldn't I have concretised?
couldn't you have concretised?
couldn't she have concretised?
couldn't we have concretised?
couldn't you have concretised?
couldn't they have concretised?

V-ing perfect

couldn't I have been concretising?
couldn't you have been concretising?
couldn't she have been concretising?
couldn't we have been concretising?
couldn't you have been concretising?
couldn't they have been concretising?

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