means "necessary", and
marks what is needed; English usually
turns it round to "you need X". A verb takes
in front of が.
。
You need to practise every day.
- × 練習するが必要です → 練習することが必要です
Who needs it, and for what
The one that needs it takes . So does a purpose: a verb in the
dictionary form plus には is "to do X".
。
This job needs experience.
。
You need money to buy a car.
必要 or 要る
is the everyday verb for "need", and it also takes が. 必要 sounds
more formal and more objective, so it is what you see on signs and in
instructions. 要る is a う-verb: its negative is
, unlike the
いる that means "there is".
Usage notes
These go beyond saying what is needed.
Not necessary
In the negative, が usually becomes . 必要 also takes directly, and that is the more common way to say it.
。
You don't need a reservation.
。
You don't need a reservation.
Before a noun
必要 is a な-adjective, so it takes before a noun.
。
Please bring the necessary documents.
Need to do
A verb in the dictionary form plus is "need to do".
。
I need to check it once more.
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