English verb conjugation MUST RIVAL

Regular verb: rival - rivalled - rivalled

Affirmation

Simple form

I must rival
you must rival
he must rival
we must rival
you must rival
they must rival

V-ing form

I must be rivalling
you must be rivalling
he must be rivalling
we must be rivalling
you must be rivalling
they must be rivalling

Perfect

I must have rivalled
you must have rivalled
he must have rivalled
we must have rivalled
you must have rivalled
they must have rivalled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I rival?
must you rival?
must he rival?
must we rival?
must you rival?
must they rival?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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