English verb conjugation MUST CLIMB

Regular verb: climb - climbed - climbed

Affirmation

Simple form

I must climb
you must climb
he must climb
we must climb
you must climb
they must climb

V-ing form

I must be climbing
you must be climbing
he must be climbing
we must be climbing
you must be climbing
they must be climbing

Perfect

I must have climbed
you must have climbed
he must have climbed
we must have climbed
you must have climbed
they must have climbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I climb?
must you climb?
must he climb?
must we climb?
must you climb?
must they climb?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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