English verb conjugation COULD OXIDIZE

Regular verb: oxidize - oxidized - oxidized

Affirmation

Simple form

I could oxidize
you could oxidize
he could oxidize
we could oxidize
you could oxidize
they could oxidize

V-ing form

I could be oxidizing
you could be oxidizing
he could be oxidizing
we could be oxidizing
you could be oxidizing
they could be oxidizing

Perfect

I could have oxidized
you could have oxidized
he could have oxidized
we could have oxidized
you could have oxidized
they could have oxidized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I oxidize?
could you oxidize?
could he oxidize?
could we oxidize?
could you oxidize?
could they oxidize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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