English verb conjugation MUST EXTEND

Regular verb: extend - extended - extended

Affirmation

Simple form

I must extend
you must extend
he must extend
we must extend
you must extend
they must extend

V-ing form

I must be extending
you must be extending
he must be extending
we must be extending
you must be extending
they must be extending

Perfect

I must have extended
you must have extended
he must have extended
we must have extended
you must have extended
they must have extended

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I extend?
must you extend?
must he extend?
must we extend?
must you extend?
must they extend?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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