---
title: On a calm night there is neither, so the grid still needs other sour… — Wind, sun and other clean energy · tree and pragmatics
description: On a calm night there is neither, so the grid still needs other sources and stores of energy, and that is why engineers mix many kinds together. Who acts: grid, that, engineers. A sentence of the lesson «Wind, sun and other clean energy» of the technology course of Mova's primary school with its dep
---

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# Wind, sun and other clean energy, sentence 7

<!-- .ven lang=en -->
On a calm night there is neither, so the grid still needs other sources and stores of energy, and that is why engineers mix many kinds together.

<!-- .vintro -->
**Who acts:** grid, that, engineers · **What happens:** be, need, mix · **To what, where:** other sources, many kinds

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This is a sentence of the lesson «Wind, sun and other clean energy» of the technology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (grid, that, engineers), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:033-wind-sun-and-other-clean-energy.lesson:7
# text = On a calm night there is neither, so the grid still needs other sources and stores of energy, and that is why engineers mix many kinds together.
# source = school lesson (ours)
# course = technology
# lesson = 033-wind-sun-and-other-clean-energy.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3
1	On	on	ADP	IN	_	4	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	calm	calm	ADJ	JJ	Degree=Pos	4	amod	_	_
4	night	night	NOUN	NN	Number=Sing	6	obl	_	Agree=R5-strong|Haiku=0:root
5	there	there	PRON	EX	PronType=Dem	6	expl	_	Agree=R5-strong|Haiku=4:advmod|HaikuPos=ADV:RB:PronType=Dem
6	is	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	Agree=R5-strong|Haiku=7:cop|HaikuPos=AUX:VBZ:Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin
7	neither	neither	ADV	RB	_	5	conj	_	_
8	,	,	PUNCT	,	_	13	punct	_	_
9	so	so	ADV	RB	_	13	advmod	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	grid	grid	NOUN	NN	Number=Sing	13	nsubj	_	_
12	still	still	ADV	RB	_	13	advmod	_	_
13	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
14	other	other	ADJ	JJ	Degree=Pos	15	amod	_	_
15	sources	source	NOUN	NNS	Number=Plur	13	obj	_	_
16	and	and	CCONJ	CC	_	17	cc	_	_
17	stores	store	NOUN	NNS	Number=Plur	15	conj	_	_
18	of	of	ADP	IN	_	19	case	_	_
19	energy	energy	NOUN	NN	Number=Sing	17	nmod	_	_
20	,	,	PUNCT	,	_	24	punct	_	_
21	and	and	CCONJ	CC	_	24	cc	_	_
22	that	that	PRON	DT	Number=Sing|PronType=Dem	24	nsubj	_	_
23	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	cop	_	_
24	why	why	ADV	WRB	PronType=Int	15	conj	_	_
25	engineers	engineer	NOUN	NNS	Number=Plur	26	nsubj	_	_
26	mix	mix	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	24	ccomp	_	_
27	many	many	ADJ	JJ	Degree=Pos	28	amod	_	_
28	kinds	kind	NOUN	NNS	Number=Plur	26	obj	_	_
29	together	together	ADV	RB	_	26	advmod	_	_
30	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **be** | present |  |  |  | there | night |  | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **need** | present | the grid | other sources and stores of energy |  |  | still |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot source=Theme |
| 3 | **is** | present | that |  |  |  |  | why *property* | tree rules |
| 4 | **mix** | present | engineers | many kinds |  |  |  | together *property* | vn mix-22.1-1-1 «NP V NP»: agent=Agent kind=Patient |

<!-- .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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:technology:033-wind-sun-and-other-clean-energy.lesson:7`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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