English verb conjugation COULD DEMATERIALIZE

Regular verb: dematerialize - dematerialized - dematerialized

Affirmation

Simple form

I could dematerialize
you could dematerialize
she could dematerialize
we could dematerialize
you could dematerialize
they could dematerialize

V-ing form

I could be dematerializing
you could be dematerializing
she could be dematerializing
we could be dematerializing
you could be dematerializing
they could be dematerializing

Perfect

I could have dematerialized
you could have dematerialized
she could have dematerialized
we could have dematerialized
you could have dematerialized
they could have dematerialized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I dematerialize?
could you dematerialize?
could she dematerialize?
could we dematerialize?
could you dematerialize?
could they dematerialize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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