English verb conjugation COULD GASIFY

Regular verb: gasify - gasified - gasified

Affirmation

Simple form

I could gasify
you could gasify
he could gasify
we could gasify
you could gasify
they could gasify

V-ing form

I could be gasifying
you could be gasifying
he could be gasifying
we could be gasifying
you could be gasifying
they could be gasifying

Perfect

I could have gasified
you could have gasified
he could have gasified
we could have gasified
you could have gasified
they could have gasified

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I gasify?
could you gasify?
could he gasify?
could we gasify?
could you gasify?
could they gasify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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