English verb conjugation MUST GASIFY

Regular verb: gasify - gasified - gasified

Affirmation

Simple form

I must gasify
you must gasify
she must gasify
we must gasify
you must gasify
they must gasify

V-ing form

I must be gasifying
you must be gasifying
she must be gasifying
we must be gasifying
you must be gasifying
they must be gasifying

Perfect

I must have gasified
you must have gasified
she must have gasified
we must have gasified
you must have gasified
they must have gasified

V-ing perfect

I must have been gasifying
you must have been gasifying
she must have been gasifying
we must have been gasifying
you must have been gasifying
they must have been gasifying

Negation

Simple form

I mustn't gasify
you mustn't gasify
she mustn't gasify
we mustn't gasify
you mustn't gasify
they mustn't gasify

V-ing form

I mustn't be gasifying
you mustn't be gasifying
she mustn't be gasifying
we mustn't be gasifying
you mustn't be gasifying
they mustn't be gasifying

Perfect

I mustn't have gasified
you mustn't have gasified
she mustn't have gasified
we mustn't have gasified
you mustn't have gasified
they mustn't have gasified

V-ing perfect

I mustn't have been gasifying
you mustn't have been gasifying
she mustn't have been gasifying
we mustn't have been gasifying
you mustn't have been gasifying
they mustn't have been gasifying

Interrogative form

Simple form

must I gasify?
must you gasify?
must she gasify?
must we gasify?
must you gasify?
must they gasify?

V-ing form

must I be gasifying?
must you be gasifying?
must she be gasifying?
must we be gasifying?
must you be gasifying?
must they be gasifying?

Perfect

must I have gasified?
must you have gasified?
must she have gasified?
must we have gasified?
must you have gasified?
must they have gasified?

V-ing perfect

must I have been gasifying?
must you have been gasifying?
must she have been gasifying?
must we have been gasifying?
must you have been gasifying?
must they have been gasifying?

Interro-negative form

Simple form

mustn't I gasify?
mustn't you gasify?
mustn't she gasify?
mustn't we gasify?
mustn't you gasify?
mustn't they gasify?

V-ing form

mustn't I be gasifying?
mustn't you be gasifying?
mustn't she be gasifying?
mustn't we be gasifying?
mustn't you be gasifying?
mustn't they be gasifying?

Perfect

mustn't I have gasified?
mustn't you have gasified?
mustn't she have gasified?
mustn't we have gasified?
mustn't you have gasified?
mustn't they have gasified?

V-ing perfect

mustn't I have been gasifying?
mustn't you have been gasifying?
mustn't she have been gasifying?
mustn't we have been gasifying?
mustn't you have been gasifying?
mustn't they have been gasifying?

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