English verb conjugation MUST ACHE

Regular verb: ache - ached - ached

Affirmation

Simple form

I must ache
you must ache
he must ache
we must ache
you must ache
they must ache

V-ing form

I must be aching
you must be aching
he must be aching
we must be aching
you must be aching
they must be aching

Perfect

I must have ached
you must have ached
he must have ached
we must have ached
you must have ached
they must have ached

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I ache?
must you ache?
must he ache?
must we ache?
must you ache?
must they ache?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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