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A is necessary
  1. A is necessary
  2. It is not necessary for A to be done.
  3. There is a need to A; A is necessary
8
此 の 書 類 に 貴方 の サ イ ン が 必 要 で す 。 
Your signature is necessary on these documents.
0
4
此 の 車 は 修 理 の 必 要 が 有 り ま す 。 
This car needs repairing.
0

Getting the sentences
Construction
(Elements in parentheses are optional.)
ANoun
は/が
必要
だ
Basic Examples:
食べ物は必要のだ (Food is necessary)

ANoun
の
必要
が
ある
Basic Examples:
休憩の必要が有る (there is a need for a break.)

Where this grammar is found


Grammar usage notes

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Questions/Discussion

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It is not necessary for A to be done.
  1. A is necessary
  2. It is not necessary for A to be done.
  3. There is a need to A; A is necessary
9
夏 休 み だ か ら 学 校 へ 行 く 必 要 は 無 い 乃 だ 。 
It's summer vacation so there's no need to go to school.
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6
私 は 会 議 に 出 席 す る 必 要 は 有 り ま せ ん 。 
There's no need for me to attend the meeting.
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10
其 の 犬 を 怖 が る 必 要 は 無 い 。 彼 は 全 く 害 を 及 ぼ さ な い 。 
There's no need to be frightened of the dog; he is quite harmless.
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12
現 金 で 払 う 必 要 は 有 り ま せ ん 。 
You don't have to pay by cash.
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16
盛 装 為 さ る 必 要 は 有 り ま せ ん 。 
You don't have to dress up.
0

Getting the sentences
Construction
(Elements in parentheses are optional.)
AVerb: Dictionary Form
必要
は
ない
Basic Examples:
泣く必要は無い (no need to cry)

Similar grammar
~ことはない has the same meaning and usage as 必要はない.
Where this grammar is found


Grammar usage notes

Nothing posted yet!

Questions/Discussion

Nothing posted yet!
 
There is a need to A; A is necessary
  1. A is necessary
  2. It is not necessary for A to be done.
  3. There is a need to A; A is necessary
3
私 た ち は 環 境 問 題 に 就 い て 考 え る 必 要 が 有 る 。 
It's necessary for us to think about environmental issues.
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3
新 し い プ ロ ジ ェ ク ト に 就 い て 上 司 と 相 談 す る 必 要 が 有 る 。 
It's necessary that we talk to our boss about the new project.
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11
凡 ゆ る 事 態 を 個 別 に 分 析 為 る 必 要 が 有 る 。 
Every situation requires individual analysis.
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8
此 の Ｙ シ ャ ツ は 洗 濯 為 る 必 要 が 有 る 。 
This shirt needs washing.
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10
此 の 椅 子 は 修 繕 為 る 必 要 が 有 る 。 
This chair is in want of repair.
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15
此 の 問 題 は 早 速 処 理 為 る 必 要 が 有 る 。 
This problem demands immediate attention.
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7
此 の 門 に は ペ ン キ を 塗 る 必 要 が 有 る 。 
This gate needs painting.
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9
これ 等 の 服 は 汚 れ て 居 る の で 洗 濯 為 る 必 要 が 有 る 。 
These clothes are dirty and need washing.
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14
其 の 芝 は 刈 る 必 要 が 有 る 。 
The grass needs cutting.
0
8
其 の 法 案 は 議 会 を 通 過 為 る 必 要 が 有 る 。 
It is necessary that the bill pass the Diet.
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7
君 の 鉛 筆 は 削 る 必 要 が 有 る 。 
Your pencils need sharpening.
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8
君 は 胆 力 を 練 る 必 要 が 有 る 。 
You must build up your courage.
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21
私 の 靴 は 磨 く 必 要 が 有 る 。 
My shoes need polishing.
0
1
試 験 期 日 を 照 会 為 て み る 必 要 が 有 る 。 
We need to make inquiries about the date of the examination.
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6
申 し 込 む に は 君 本 人 が 行 く 必 要 が 有 る 。 
In order to apply, you have to go in person.
0
0
彼 女 は 痩 せ す ぎ な の で 、 も う 少 し 食 べ る 必 要 が 有 る 。 
She's underweight, so it's necessary for her to eat a bit more.
0
1
採 用 面 接 を 担 当 す る 前 に 、 事 前 準 備 を 為 て 置 く 必 要 が 有 り ま す 。 
Before you are in charge of the employee interviews, you need to do some preparation ahead of time.
0
0
行 き 先 の 安 全 情 報 を 調 べ て お く 必 要 が 有 る 。 
It's necessary for me to look up the safety information about our destination.
0
3
課 長 に は 予 め 了 承 を 得 て お く 必 要 が 有 る よ 。 
You need to get the section manager's approval (acknowledgement) ahead of time.
0
3
もち 米 は 蒸 か す 前 に 一 晩 程 水 に 浸 け て お く 必 要 が 有 り ま す 。 
Before steaming the rice, it's necessary to soak it in water overnight.
0
1
試 合 前 に チ ー ム 内 で サ イ ン を 示 し 合 わ せ て お く 必 要 が 有 る 。 
Before the game, it's necessary that we prearrange the (e.g. hand) signs that we'll use for the team.
0
0
此 の テ レ ビ は も う 映 ら な い か ら 買 い 換 え る 必 要 が 有 る 。 
This TV doesn't play (shows) anymore, so I need to buy a replacement.
0
2
も う 少 し 彼 と 話 し 合 う 必 要 が 有 る だ ろ う 。 
I'll need to discuss it with him a bit longer.
0
0
一 人 で は できない か ら 、 誰 か に 手 伝 っ て 貰 う 必 要 が 有 る だ ろ う 。 
I can't do it by myself, so it's probably necessary that I have someone help me.
0
5
先 生 が 仰 る に は 、 我 々 は も っ と 勉 強 す る 必 要 が 有 る という こと だ 。 
What the professor is saying is that it's necessary for us to study more.
0

Getting the sentences
Construction
(Elements in parentheses are optional.)
AVerb: Dictionary Form
必要
が
ある
Basic Examples:
払う必要が有る (it is necessary to pay)

Where this grammar is found


Grammar usage notes

Nothing posted yet!

Questions/Discussion

Nothing posted yet!

Discussion about this grammar
This section has been archived, and no new posts can be added. Please use the discussion form(s) above.
avatar
RiaJu
Level: 5
Why is this listed as just "必要" instead of "必要はない"? "必要" by itself doesn't line up with the listed meaning or structure.
0
12 years ago
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avatar
マイコー
Level: 307
The second meaning (slightly further down the page) is 必要がある, so 必要 is the common element that they both share :)
1
12 years ago
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まさむね123
Level: 1
What about Noun + が必要だ formations like this one? for example:
お金が必要です。
I need money.
okane ga hitsuyou desu.
0
7 years ago
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avatar
マイコー
Level: 307
I didn't put this in originally because it is not a unique expression, just a noun + が  + adjective. Since 必要 is up here, though, it wouldn't hurt to add it!
0
7 years ago
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avatar
emanresU
Level: 319

I think some of the example sentences are mixed up. Like,
「この書類にあなたのサインが必要です。」 should be under meaning 1;
「新しいプロジェクトについて上司と相談する必要がある。」should be meaning 3;
and「修理の必要があります。」should, I think, also be meaning 3, though the construction is missing the use of noun + の + 必要がある.

1
11 months ago
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マイコー
Level: 307

Thanks - everything has been fixed!

1
11 months ago
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