English verb conjugation MUST ATTRIBUTE

Regular verb: attribute - attributed - attributed

Affirmation

Simple form

I must attribute
you must attribute
he must attribute
we must attribute
you must attribute
they must attribute

V-ing form

I must be attributing
you must be attributing
he must be attributing
we must be attributing
you must be attributing
they must be attributing

Perfect

I must have attributed
you must have attributed
he must have attributed
we must have attributed
you must have attributed
they must have attributed

V-ing perfect

I must have been attributing
you must have been attributing
he must have been attributing
we must have been attributing
you must have been attributing
they must have been attributing

Negation

Simple form

I mustn't attribute
you mustn't attribute
he mustn't attribute
we mustn't attribute
you mustn't attribute
they mustn't attribute

V-ing form

I mustn't be attributing
you mustn't be attributing
he mustn't be attributing
we mustn't be attributing
you mustn't be attributing
they mustn't be attributing

Perfect

I mustn't have attributed
you mustn't have attributed
he mustn't have attributed
we mustn't have attributed
you mustn't have attributed
they mustn't have attributed

V-ing perfect

I mustn't have been attributing
you mustn't have been attributing
he mustn't have been attributing
we mustn't have been attributing
you mustn't have been attributing
they mustn't have been attributing

Interrogative form

Simple form

must I attribute?
must you attribute?
must he attribute?
must we attribute?
must you attribute?
must they attribute?

V-ing form

must I be attributing?
must you be attributing?
must he be attributing?
must we be attributing?
must you be attributing?
must they be attributing?

Perfect

must I have attributed?
must you have attributed?
must he have attributed?
must we have attributed?
must you have attributed?
must they have attributed?

V-ing perfect

must I have been attributing?
must you have been attributing?
must he have been attributing?
must we have been attributing?
must you have been attributing?
must they have been attributing?

Interro-negative form

Simple form

mustn't I attribute?
mustn't you attribute?
mustn't he attribute?
mustn't we attribute?
mustn't you attribute?
mustn't they attribute?

V-ing form

mustn't I be attributing?
mustn't you be attributing?
mustn't he be attributing?
mustn't we be attributing?
mustn't you be attributing?
mustn't they be attributing?

Perfect

mustn't I have attributed?
mustn't you have attributed?
mustn't he have attributed?
mustn't we have attributed?
mustn't you have attributed?
mustn't they have attributed?

V-ing perfect

mustn't I have been attributing?
mustn't you have been attributing?
mustn't he have been attributing?
mustn't we have been attributing?
mustn't you have been attributing?
mustn't they have been attributing?

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