English verb conjugation COULD VAPORIZE

Regular verb: vaporize - vaporized - vaporized

Affirmation

Simple form

I could vaporize
you could vaporize
he could vaporize
we could vaporize
you could vaporize
they could vaporize

V-ing form

I could be vaporizing
you could be vaporizing
he could be vaporizing
we could be vaporizing
you could be vaporizing
they could be vaporizing

Perfect

I could have vaporized
you could have vaporized
he could have vaporized
we could have vaporized
you could have vaporized
they could have vaporized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I vaporize?
could you vaporize?
could he vaporize?
could we vaporize?
could you vaporize?
could they vaporize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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