English verb conjugation COULD DEMATERIALIZE

Regular verb: dematerialize - dematerialized - dematerialized

Affirmation

Simple form

I could dematerialize
you could dematerialize
he could dematerialize
we could dematerialize
you could dematerialize
they could dematerialize

V-ing form

I could be dematerializing
you could be dematerializing
he could be dematerializing
we could be dematerializing
you could be dematerializing
they could be dematerializing

Perfect

I could have dematerialized
you could have dematerialized
he 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
he could have been dematerializing
we could have been dematerializing
you could have been dematerializing
they could have been dematerializing

Negation

Simple form

I could not dematerialize
you could not dematerialize
he could not dematerialize
we could not dematerialize
you could not dematerialize
they could not dematerialize

V-ing form

I could not be dematerializing
you could not be dematerializing
he could not be dematerializing
we could not be dematerializing
you could not be dematerializing
they could not be dematerializing

Perfect

I could not have dematerialized
you could not have dematerialized
he could not have dematerialized
we could not have dematerialized
you could not have dematerialized
they could not have dematerialized

V-ing perfect

I could not have been dematerializing
you could not have been dematerializing
he could not have been dematerializing
we could not have been dematerializing
you could not have been dematerializing
they could not have been dematerializing

Interrogative form

Simple form

could I dematerialize?
could you dematerialize?
could he dematerialize?
could we dematerialize?
could you dematerialize?
could they dematerialize?

V-ing form

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

Perfect

could I have dematerialized?
could you have dematerialized?
could he 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 he have been dematerializing?
could we have been dematerializing?
could you have been dematerializing?
could they have been dematerializing?

Interro-negative form

Simple form

could I not dematerialize?
could you not dematerialize?
could he not dematerialize?
could we not dematerialize?
could you not dematerialize?
could they not dematerialize?

V-ing form

could I not be dematerializing?
could you not be dematerializing?
could he not be dematerializing?
could we not be dematerializing?
could you not be dematerializing?
could they not be dematerializing?

Perfect

could I not have dematerialized?
could you not have dematerialized?
could he not have dematerialized?
could we not have dematerialized?
could you not have dematerialized?
could they not have dematerialized?

V-ing perfect

could I not have been dematerializing?
could you not have been dematerializing?
could he not have been dematerializing?
could we not have been dematerializing?
could you not have been dematerializing?
could they not have been dematerializing?

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