English verb conjugation COULD DEMINERALISE

Regular verb: demineralise - demineralised - demineralised

Affirmation

Simple form

I could demineralise
you could demineralise
she could demineralise
we could demineralise
you could demineralise
they could demineralise

V-ing form

I could be demineralising
you could be demineralising
she could be demineralising
we could be demineralising
you could be demineralising
they could be demineralising

Perfect

I could have demineralised
you could have demineralised
she could have demineralised
we could have demineralised
you could have demineralised
they could have demineralised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I demineralise?
could you demineralise?
could she demineralise?
could we demineralise?
could you demineralise?
could they demineralise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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