--- title: A tidal power station uses the tides flowing in and out to spin unde… — Wind, sun and other clean energy · tree and pragmatics description: A tidal power station uses the tides flowing in and out to spin underwater turbines, and tides are caused mainly by the Moon pulling on the sea. Who acts: tidal power station, tides, Moon pulling. A sentence of the lesson «Wind, sun and other clean energy» of the technology course of Mova's primary --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/33-wind-sun-and-other-clean-energy/14/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/) / [Wind, sun and other clean energy](https://md.mova.elamur.ai/free/en/corpora/school/technology/33-wind-sun-and-other-clean-energy/) / 14 # Wind, sun and other clean energy, sentence 14 A tidal power station uses the tides flowing in and out to spin underwater turbines, and tides are caused mainly by the Moon pulling on the sea. **Who acts:** tidal power station, tides, Moon pulling · **What happens:** use, flow, spin, cause · **To what, where:** tides, underwater turbines 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 (tidal power station, tides, Moon pulling), 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:14 # text = A tidal power station uses the tides flowing in and out to spin underwater turbines, and tides are caused mainly by the Moon pulling on the sea. # 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 ×1, R7-rel-agree ×2 1 A a DET DT Definite=Ind|PronType=Art 4 det _ _ 2 tidal tidal ADJ JJ Degree=Pos 4 amod _ _ 3 power power NOUN NN Number=Sing 4 compound _ _ 4 station station NOUN NN Number=Sing 5 nsubj _ _ 5 uses use VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 6 the the DET DT Definite=Def|PronType=Art 7 det _ _ 7 tides tide NOUN NNS Number=Plur 5 obj _ _ 8 flowing flow VERB VBG VerbForm=Ger 7 acl _ _ 9 in in ADV RB _ 8 advmod _ _ 10 and and CCONJ CC _ 11 cc _ _ 11 out out ADV RB _ 9 conj _ _ 12 to to PART TO _ 13 mark _ _ 13 spin spin VERB VB VerbForm=Inf 8 advcl _ _ 14 underwater underwater ADJ JJ Degree=Pos 15 amod _ Agree=R7-rel-agree|Haiku=15:compound|HaikuPos=NOUN:NN:Number=Sing 15 turbines turbine NOUN NNS Number=Plur 13 obj _ _ 16 , , PUNCT , _ 20 punct _ _ 17 and and CCONJ CC _ 20 cc _ _ 18 tides tide NOUN NNS Number=Plur 20 nsubj _ _ 19 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 20 aux:pass _ _ 20 caused cause VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 5 conj _ _ 21 mainly mainly ADV RB _ 20 advmod _ _ 22 by by ADP IN _ 25 case _ _ 23 the the DET DT Definite=Def|PronType=Art 24 det _ Agree=R5-strong|Haiku=25:det 24 Moon Moon PROPN NNP Number=Sing 25 compound _ _ 25 pulling pulling NOUN NN Number=Sing 20 obl _ _ 26 on on ADP IN _ 28 case _ _ 27 the the DET DT Definite=Def|PronType=Art 28 det _ _ 28 sea sea NOUN NN Number=Sing 25 obl _ Agree=R7-rel-agree|Haiku=25:nmod 29 . . PUNCT . _ 5 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **use** | present | a tidal power station | the tides | | | | | vn eat-39.1 «NP V NP»: agent=Agent tide=Patient | | 2 | **flow** | gerund | the tides *not said here* | | | | | | vn appear-48.1.1 «NP V»: agent=Theme | | 3 | **spin** | to-infinitive | the tides *not said here* | underwater turbines | | | | | vn roll-51.3.1 «NP V NP.theme»: agent=Agent turbine=Theme | | 4 | **cause** | present · passive | Moon pulling | tides | | | | mainly *property* | vn engender-27.1-1 «NP V NP»: agent=Precondition subject=Patient | 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. **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:14`. **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 ×1, R7-rel-agree ×2. **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/). - ← previous: [Wind, sun and other clean energy, 13](https://md.mova.elamur.ai/free/en/corpora/school/technology/33-wind-sun-and-other-clean-energy/13/) - next →: [Wind, sun and other clean energy, 15](https://md.mova.elamur.ai/free/en/corpora/school/technology/33-wind-sun-and-other-clean-energy/15/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/technology/33-wind-sun-and-other-clean-energy/)