English verb conjugation COULD RECHROMATOGRAPH

Regular verb: rechromatograph - rechromatographed - rechromatographed

Affirmation

Simple form

I could rechromatograph
you could rechromatograph
he could rechromatograph
we could rechromatograph
you could rechromatograph
they could rechromatograph

V-ing form

I could be rechromatographing
you could be rechromatographing
he could be rechromatographing
we could be rechromatographing
you could be rechromatographing
they could be rechromatographing

Perfect

I could have rechromatographed
you could have rechromatographed
he could have rechromatographed
we could have rechromatographed
you could have rechromatographed
they could have rechromatographed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I rechromatograph?
could you rechromatograph?
could he rechromatograph?
could we rechromatograph?
could you rechromatograph?
could they rechromatograph?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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