ないといけません

expression

have to; must

Attaches to the negative base of a verb (ない-form) to express obligation or necessity. Equivalent to ないといけない, but slightly more polite due to ません.

See also: ないといけない

• 明日あしたは早はやく起おきないといけません。

  I have to get up early tomorrow.

• 宿しゅく題だいを出ださないといけませんか。

  Do I have to submit the homework?

expression

is indispensable; is absolutely necessary

Used when stating that something or someone is essential, often in a general or impersonal sense. The subject is typically marked with が or は.

See also: ないといけない

• この仕し事ごとには経けい験けんがないといけません。

  Experience is absolutely necessary for this job.

• 健けん康こうのためには、十じゅう分ぶんな睡すい眠みんがないといけません。

  Adequate sleep is indispensable for good health.