English verb conjugation MUST ACHIEVE

Regular verb: achieve - achieved - achieved

Affirmation

Simple form

I must achieve
you must achieve
he must achieve
we must achieve
you must achieve
they must achieve

V-ing form

I must be achieving
you must be achieving
he must be achieving
we must be achieving
you must be achieving
they must be achieving

Perfect

I must have achieved
you must have achieved
he must have achieved
we must have achieved
you must have achieved
they must have achieved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I achieve?
must you achieve?
must he achieve?
must we achieve?
must you achieve?
must they achieve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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