English verb conjugation COULD ISOMERISE

Regular verb: isomerise - isomerised - isomerised

Affirmation

Simple form

I could isomerise
you could isomerise
he could isomerise
we could isomerise
you could isomerise
they could isomerise

V-ing form

I could be isomerising
you could be isomerising
he could be isomerising
we could be isomerising
you could be isomerising
they could be isomerising

Perfect

I could have isomerised
you could have isomerised
he could have isomerised
we could have isomerised
you could have isomerised
they could have isomerised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I isomerise?
could you isomerise?
could he isomerise?
could we isomerise?
could you isomerise?
could they isomerise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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