---
title: necessary — school dictionary · trees and pragmatics
description: «necessary» in the school dictionary: Needed; something you must have or must do. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# necessary

<!-- .vintro -->
**Who acts:** you, necessary, Food, helmet, things, Light · **What happens:** need, have, do, mean, be, bring · **To what, where:** it, packed lunch, umbrella, scooter, things, more noise · **Speech:** someone speaks here

<!-- .vabout -->
«necessary» in the school dictionary: its 2 meanings for a pupil and its 8 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: [necessary in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/necessary.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
Needed; something you must have or must do.

```conllu
# sent_id = dict:school:necessary:m1:1
# text = Needed; something you must have or must do.
1	Needed	need	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	amod	_	SpaceAfter=No
2	;	;	PUNCT	:	_	1	punct	_	_
3	something	something	PRON	NN	Number=Sing|PronType=Ind	0	root	_	_
4	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	6	nsubj	_	_
5	must	must	AUX	MD	VerbForm=Fin	6	aux	_	_
6	have	have	VERB	VB	VerbForm=Inf	3	acl:relcl	_	_
7	or	or	CCONJ	CC	_	9	cc	_	_
8	must	must	AUX	MD	VerbForm=Fin	9	aux	_	_
9	do	do	VERB	VB	VerbForm=Inf	6	conj	_	SpaceAfter=No
10	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **need** | participle |  |  |  |  |  |  | vn want-32.1-1-1 «NP V NP S\_INF»: agent=Pivot |
| 2 | **have** | must | you |  |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent |
| 3 | **do** | must | you *not said here* |  |  |  |  |  | vn act-114-1 «NP V»: agent=Agent |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## Meaning 2 {#m2}

<!-- .ven lang=en -->
«If necessary» means «if it is needed».

```conllu
# sent_id = dict:school:necessary:m2:1
# text = «If necessary» means «if it is needed».
1	«	«	PUNCT	``	_	3	punct	_	SpaceAfter=No
2	If	if	SCONJ	IN	_	3	mark	_	_
3	necessary	necessary	ADJ	JJ	Degree=Pos	5	nsubj	_	SpaceAfter=No
4	»	»	PUNCT	''	_	3	punct	_	_
5	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	«	«	PUNCT	``	_	10	punct	_	SpaceAfter=No
7	if	if	SCONJ	IN	_	10	mark	_	_
8	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj:pass	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	aux:pass	_	_
10	needed	need	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	ccomp	_	SpaceAfter=No
11	»	»	PUNCT	''	_	10	punct	_	SpaceAfter=No
12	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mean** | present | necessary |  |  |  |  |  | vn intend-61.2-1 «NP V S»: agent=Agent clause=Topic |
| 2 | **need** *a condition, not said to happen, in a quote* | present · passive |  | it |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: subject=Theme |

## Example 1 {#x1}

<!-- .ven lang=en -->
Food and water are necessary for life.

```conllu
# sent_id = dict:school:necessary:x1:1
# text = Food and water are necessary for life.
1	Food	food	NOUN	NN	Number=Sing	5	nsubj	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	water	water	NOUN	NN	Number=Sing	1	conj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	necessary	necessary	ADJ	JJ	Degree=Pos	0	root	_	_
6	for	for	ADP	IN	_	7	case	_	_
7	life	life	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Food and water |  |  |  |  | for life; necessary *property* | tree rules |

## Example 2 {#x2}

<!-- .ven lang=en -->
Is it necessary to bring a packed lunch?

```conllu
# sent_id = dict:school:necessary:x2:1
# text = Is it necessary to bring a packed lunch?
1	Is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
2	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	expl	_	_
3	necessary	necessary	ADJ	JJ	Degree=Pos	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	bring	bring	VERB	VB	VerbForm=Inf	3	csubj	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	packed	packed	ADJ	JJ	Degree=Pos	8	amod	_	_
8	lunch	lunch	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
9	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | necessary *property* | tree rules |
| 2 | **bring** | to-infinitive |  | a packed lunch |  |  |  |  | vn bring-11.3-1 «NP V NP together»: agent=Agent lunch=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
Take an umbrella if necessary.

```conllu
# sent_id = dict:school:necessary:x3:1
# text = Take an umbrella if necessary.
1	Take	take	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	an	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	umbrella	umbrella	NOUN	NN	Number=Sing	1	obj	_	_
4	if	if	SCONJ	IN	_	5	mark	_	_
5	necessary	necessary	ADJ	JJ	Degree=Pos	1	advcl	_	SpaceAfter=No
6	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **take** | imperative | you *not said here* | a umbrella |  |  |  |  | vn bring-11.3 «NP V NP»: agent=Agent umbrella=Theme |

## Example 4 {#x4}

<!-- .ven lang=en -->
A helmet is necessary when you ride a scooter.

```conllu
# sent_id = dict:school:necessary:x4:1
# text = A helmet is necessary when you ride a scooter.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	helmet	helmet	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	necessary	necessary	ADJ	JJ	Degree=Pos	0	root	_	_
5	when	when	SCONJ	WRB	_	7	mark	_	_
6	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	7	nsubj	_	_
7	ride	ride	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	4	advcl	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	scooter	scooter	NOUN	NN	Number=Sing	7	obj	_	SpaceAfter=No
10	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a helmet |  |  |  |  | necessary *property* | tree rules |
| 2 | **ride** | present | you | a scooter |  |  |  |  | vn nonvehicle-51.4.2 «NP V NP»: agent=Agent scooter=Theme |

## Example 5 {#x5}

<!-- .ven lang=en -->
Only take the things that are necessary for the trip.

```conllu
# sent_id = dict:school:necessary:x5:1
# text = Only take the things that are necessary for the trip.
1	Only	only	ADV	RB	_	2	advmod	_	_
2	take	take	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	things	thing	NOUN	NNS	Number=Plur	2	obj	_	_
5	that	that	PRON	WDT	PronType=Rel	7	nsubj	_	_
6	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	necessary	necessary	ADJ	JJ	Degree=Pos	4	acl:relcl	_	_
8	for	for	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	trip	trip	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **take** | imperative | you *not said here* | the things |  |  |  |  | vn bring-11.3 «NP V NP»: agent=Agent thing=Theme |
| 2 | **is** | present | the things |  |  |  |  | for the trip; necessary *property* | tree rules |

## Example 6 {#x6}

<!-- .ven lang=en -->
Light is necessary for photosynthesis.

```conllu
# sent_id = dict:school:necessary:x6:1
# text = Light is necessary for photosynthesis.
1	Light	light	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	necessary	necessary	ADJ	JJ	Degree=Pos	0	root	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	photosynthesis	photosynthesis	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
6	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Light |  |  |  |  | for photosynthesis; necessary *property* | tree rules |

## Example 7 {#x7}

<!-- .ven lang=en -->
Don't make more noise than necessary.

```conllu
# sent_id = dict:school:necessary:x7:1
# text = Don't make more noise than necessary.
1	Do	do	AUX	VB	Mood=Imp|VerbForm=Fin	3	aux	_	SpaceAfter=No
2	n't	not	PART	RB	Polarity=Neg	3	advmod	_	_
3	make	make	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
4	more	more	ADJ	JJR	Degree=Cmp	5	amod	_	_
5	noise	noise	NOUN	NN	Number=Sing	3	obj	_	_
6	than	than	SCONJ	IN	_	7	mark	_	_
7	necessary	necessary	ADJ	JJ	Degree=Pos	3	xcomp	_	SpaceAfter=No
8	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **make** | imperative · do-support | you *not said here* | more noise |  |  |  | necessary *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset noise=Product |

## Example 8 {#x8}

<!-- .ven lang=en -->
Nothing more is necessary, only to stir it."

```conllu
# sent_id = dict:school:necessary:x8:1
# text = Nothing more is necessary, only to stir it."
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	4	nsubj	_	_
2	more	more	ADJ	JJR	Degree=Cmp	1	amod	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	necessary	necessary	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	8	punct	_	_
6	only	only	ADV	RB	_	8	advmod	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	stir	stir	VERB	VB	VerbForm=Inf	4	conj	_	_
9	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	obj	_	SpaceAfter=No
10	.	.	PUNCT	.	_	4	punct	_	SpaceAfter=No
11	"	"	PUNCT	''	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Nothing |  |  |  |  | necessary *property* | tree rules |
| 2 | **stir** | to-infinitive | Nothing *not said here* | it |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus it=Experiencer |

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**Text:** the school dictionary of Mova's schools (`world/data/dictionary-schools/`), written for Mova. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each meaning and example read on its own. Elamur Cosmic License.

<!-- /div -->

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