---
title: A wind turbine's blades are turned by the wind and spin a shaft and… — Wind, sun and other clean energy · tree and pragmatics
description: A wind turbine's blades are turned by the wind and spin a shaft and a generator in the box at the top; the biggest offshore turbines have blades more than 100 metres long each. Who acts: wind, biggest offshore turbines. A sentence of the lesson «Wind, sun and other clean energy» of the technology co
---

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# Wind, sun and other clean energy, sentence 8

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A wind turbine's blades are turned by the wind and spin a shaft and a generator in the box at the top; the biggest offshore turbines have blades more than 100 metres long each.

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**Who acts:** wind, biggest offshore turbines · **What happens:** turn, spin, have · **To what, where:** blades, shaft, box

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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 (wind, biggest offshore turbines), 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:8
# text = A wind turbine's blades are turned by the wind and spin a shaft and a generator in the box at the top; the biggest offshore turbines have blades more than 100 metres long each.
# 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): R7-rel-agree ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	wind	wind	NOUN	NN	Number=Sing	3	compound	_	_
3	turbine	turbine	NOUN	NN	Number=Sing	5	nmod:poss	_	_
4	's	's	PART	POS	_	3	case	_	_
5	blades	blade	NOUN	NNS	Number=Plur	7	nsubj	_	_
6	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
7	turned	turn	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	by	by	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	wind	wind	NOUN	NN	Number=Sing	7	obl	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	spin	spin	VERB	VB	VerbForm=Inf	7	conj	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	shaft	shaft	NOUN	NN	Number=Sing	12	obj	_	_
15	and	and	CCONJ	CC	_	17	cc	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
17	generator	generator	NOUN	NN	Number=Sing	14	conj	_	_
18	in	in	ADP	IN	_	20	case	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
20	box	box	NOUN	NN	Number=Sing	12	obl	_	_
21	at	at	ADP	IN	_	23	case	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	top	top	NOUN	NN	Number=Sing	20	nmod	_	_
24	;	;	PUNCT	,	_	29	punct	_	_
25	the	the	DET	DT	Definite=Def|PronType=Art	28	det	_	_
26	biggest	big	ADJ	JJS	Degree=Sup	28	amod	_	_
27	offshore	offshore	ADJ	JJ	Degree=Pos	28	amod	_	_
28	turbines	turbine	NOUN	NNS	Number=Plur	29	nsubj	_	_
29	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	parataxis	_	Agree=R7-rel-agree|Haiku=7:conj
30	blades	blade	NOUN	NNS	Number=Plur	29	obj	_	_
31	more	more	ADJ	JJR	Degree=Cmp|ExtPos=ADV	33	advmod	_	_
32	than	than	ADP	IN	_	31	fixed	_	_
33	100	100	NUM	CD	NumForm=Digit|NumType=Card	34	nummod	_	_
34	metres	metre	NOUN	NNS	Number=Plur	29	obj	_	_
35	long	long	ADJ	JJ	Degree=Pos	34	amod	_	_
36	each	each	DET	DT	PronType=Tot	34	appos	_	_
37	.	.	PUNCT	.	_	7	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 | **turn** | present · passive | the wind | a wind turbine's blades |  |  |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent subject=Theme |
| 2 | **spin** | infinitive | the wind *not said here* | a shaft and a generator |  | the box at the top |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent shaft=Theme |
| 3 | **have** | present | the biggest offshore turbines | blades |  |  |  |  | tree rules |

<!-- .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:8`.

**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): R7-rel-agree ×1. **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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