--- title: A hydroelectric dam lets water from a lake rush down through turbine… — Power stations and the grid · tree and pragmatics description: A hydroelectric dam lets water from a lake rush down through turbines; some stations pump water uphill at night and let it run down later, like a giant battery. Who acts: hydroelectric dam, water, stations, station. A sentence of the lesson «Power stations and the grid» of the technology course of M --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/32-power-stations-and-the-grid/18/) [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/) / [Power stations and the grid](https://md.mova.elamur.ai/free/en/corpora/school/technology/32-power-stations-and-the-grid/) / 18 # Power stations and the grid, sentence 18 A hydroelectric dam lets water from a lake rush down through turbines; some stations pump water uphill at night and let it run down later, like a giant battery. **Who acts:** hydroelectric dam, water, stations, station · **What happens:** let, rush down, pump, run down · **To what, where:** turbines, water, station This is a sentence of the lesson «Power stations and the grid» 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 (hydroelectric dam, water, stations, station), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:technology:032-power-stations-and-the-grid.lesson:18 # text = A hydroelectric dam lets water from a lake rush down through turbines; some stations pump water uphill at night and let it run down later, like a giant battery. # source = school lesson (ours) # course = technology # lesson = 032-power-stations-and-the-grid.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 3 det _ _ 2 hydroelectric hydroelectric ADJ JJ Degree=Pos 3 amod _ _ 3 dam dam NOUN NN Number=Sing 4 nsubj _ _ 4 lets let VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 water water NOUN NN Number=Sing 9 nsubj _ _ 6 from from ADP IN _ 8 case _ _ 7 a a DET DT Definite=Ind|PronType=Art 8 det _ _ 8 lake lake NOUN NN Number=Sing 5 nmod _ _ 9 rush rush VERB VB VerbForm=Inf 4 xcomp _ _ 10 down down ADV RB _ 9 advmod _ Agree=R7-rel-agree|Haiku=9:compound:prt|HaikuPos=ADP:RP:_ 11 through through ADP IN _ 12 case _ _ 12 turbines turbine NOUN NNS Number=Plur 9 obl _ _ 13 ; ; PUNCT : _ 16 punct _ _ 14 some some DET DT PronType=Ind 15 det _ _ 15 stations station NOUN NNS Number=Plur 16 nsubj _ _ 16 pump pump VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 parataxis _ _ 17 water water NOUN NN Number=Sing 16 obj _ _ 18 uphill uphill ADV RB _ 16 advmod _ Agree=R7-rel-agree|Haiku=16:xcomp|HaikuPos=ADJ:JJ:Degree=Pos 19 at at ADP IN _ 20 case _ _ 20 night night NOUN NN Number=Sing 16 obl _ Agree=R5-strong|Haiku=18:obl 21 and and CCONJ CC _ 22 cc _ _ 22 let let VERB VB VerbForm=Inf 16 conj _ _ 23 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 22 obj _ _ 24 run run VERB VB VerbForm=Inf 22 xcomp _ _ 25 down down ADV RB _ 24 advmod _ _ 26 later late ADV RBR Degree=Cmp 24 advmod _ _ 27 , , PUNCT , _ 31 punct _ _ 28 like like ADP IN _ 31 case _ _ 29 a a DET DT Definite=Ind|PronType=Art 31 det _ _ 30 giant giant ADJ JJ Degree=Pos 31 amod _ _ 31 battery battery NOUN NN Number=Sing 24 obl _ _ 32 . . PUNCT . _ 4 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **let** | present | a hydroelectric dam | | | | | | tree rules | | 2 | **rush down** | infinitive | water from a lake | | | turbines | | down *property* | vn run-51.3.2-2-1 «NP V PP.location»: agent=Theme through turbine=Trajectory | | 3 | **pump** | present | some stations | water | | | night | uphill *property* | vn spray-9.7-1 «NP V NP.theme»: agent=Agent water=Theme | | 4 | **let** | infinitive | some stations *not said here* | station | | | | | tree rules | | 5 | **run down** | infinitive | station *not said here* | | | | | like a giant battery; down, late *property* | vn run-51.3.2-2-1 «NP V»: agent=Theme | 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:032-power-stations-and-the-grid.lesson:18`. **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: [Power stations and the grid, 17](https://md.mova.elamur.ai/free/en/corpora/school/technology/32-power-stations-and-the-grid/17/) - next →: [Power stations and the grid, 19](https://md.mova.elamur.ai/free/en/corpora/school/technology/32-power-stations-and-the-grid/19/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/technology/32-power-stations-and-the-grid/)