--- title: A weir is a low wall across a river that keeps the water deep upstre… — Rivers, canals and boats: locks, weirs, water-mi… · tree and pragmatics description: A weir is a low wall across a river that keeps the water deep upstream for boats and can send water to a mill; below it the water churns round and round and can hold a swimmer under, so never swim near a weir. Who acts: weir, river, water. A sentence of the lesson «Rivers, canals and boats: locks, w --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/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/) / [Rivers, canals and boats: locks, weirs…](https://md.mova.elamur.ai/free/en/corpora/school/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/) / 14 # Rivers, canals and boats: locks, weirs, water-mills, barges and how not to tip a rowing boat, sentence 14 A weir is a low wall across a river that keeps the water deep upstream for boats and can send water to a mill; below it the water churns round and round and can hold a swimmer under, so never swim near a weir. **Who acts:** weir, river, water · **What happens:** be, keep, send, churn, hold under, not swim · **To what, where:** low wall, river, water, mill, swimmer, weir This is a sentence of the lesson «Rivers, canals and boats: locks, weirs, water-mills, barges and how not to tip a rowing boat» 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 (weir, river, water), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:technology:041-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat.lesson:14 # text = A weir is a low wall across a river that keeps the water deep upstream for boats and can send water to a mill; below it the water churns round and round and can hold a swimmer under, so never swim near a weir. # source = school lesson (ours) # course = technology # lesson = 041-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat.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 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 weir weir NOUN NN Number=Sing 6 nsubj _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 cop _ _ 4 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 5 low low ADJ JJ Degree=Pos 6 amod _ _ 6 wall wall NOUN NN Number=Sing 0 root _ _ 7 across across ADP IN _ 9 case _ _ 8 a a DET DT Definite=Ind|PronType=Art 9 det _ _ 9 river river NOUN NN Number=Sing 6 nmod _ _ 10 that that PRON WDT PronType=Rel 11 nsubj _ _ 11 keeps keep VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 9 acl:relcl _ _ 12 the the DET DT Definite=Def|PronType=Art 13 det _ _ 13 water water NOUN NN Number=Sing 11 obj _ _ 14 deep deep ADJ JJ Degree=Pos 11 xcomp _ _ 15 upstream upstream ADJ JJ Degree=Pos 14 conj _ _ 16 for for ADP IN _ 17 case _ _ 17 boats boat NOUN NNS Number=Plur 15 obl _ _ 18 and and CCONJ CC _ 20 cc _ _ 19 can can AUX MD VerbForm=Fin 20 aux _ _ 20 send send VERB VB Mood=Imp|VerbForm=Fin 11 conj _ Agree=R5-strong|Haiku=15:conj 21 water water NOUN NN Number=Sing 20 obj _ _ 22 to to ADP IN _ 24 case _ _ 23 a a DET DT Definite=Ind|PronType=Art 24 det _ _ 24 mill mill NOUN NN Number=Sing 20 obl _ _ 25 ; ; PUNCT , _ 30 punct _ _ 26 below below ADP IN _ 27 case _ _ 27 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 30 obl _ _ 28 the the DET DT Definite=Def|PronType=Art 29 det _ _ 29 water water NOUN NN Number=Sing 30 nsubj _ _ 30 churns churn VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 20 parataxis _ _ 31 round round ADV RB _ 30 advmod _ _ 32 and and CCONJ CC _ 33 cc _ _ 33 round round ADV RB _ 31 conj _ _ 34 and and CCONJ CC _ 36 cc _ _ 35 can can AUX MD VerbForm=Fin 36 aux _ _ 36 hold hold VERB VB VerbForm=Inf 30 conj _ _ 37 a a DET DT Definite=Ind|PronType=Art 38 det _ _ 38 swimmer swimmer NOUN NN Number=Sing 36 obj _ _ 39 under under ADP RP _ 36 compound:prt _ _ 40 , , PUNCT , _ 39 punct _ _ 41 so so ADV RB _ 43 advmod _ _ 42 never never ADV RB PronType=Neg 43 advmod _ _ 43 swim swim VERB VB Mood=Imp|VerbForm=Fin 36 advcl _ _ 44 near near ADP IN _ 46 case _ _ 45 a a DET DT Definite=Ind|PronType=Art 46 det _ _ 46 weir weir NOUN NN Number=Sing 43 obl _ _ 47 . . PUNCT . _ 6 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is a** | present | a weir | a low wall | | a river | | | tree rules | | 2 | **keep** | present | a river | the water | | | | deep *property* | vn keep-15.2 «NP V NP»: agent=Agent water=Theme | | 3 | **send** | can | a river *not said here* | water | | a mill | | | vn confine-92-1 «NP V NP PP.destination»: agent=Agent water=Theme to mill=Destination | | 4 | **churn** | present | the water | | | river | | round *property* | vn build-26.1 «NP V NP»: agent=Agent | | 5 | **hold under** | can | the water *not said here* | a swimmer | | | | | vn keep-15.2 «NP V NP»: agent=Agent swimmer=Theme | | 6 | **not** **swim** | infinitive | the water *not said here* | | | a weir | | | vn run-51.3.2-1 «NP V PP.location»: agent=Theme near weir=Trajectory | 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:041-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat.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. **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: [Rivers, canals and boats: locks, weirs…, 13](https://md.mova.elamur.ai/free/en/corpora/school/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/13/) - next →: [Rivers, canals and boats: locks, weirs…, 15](https://md.mova.elamur.ai/free/en/corpora/school/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/15/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/technology/41-rivers-canals-and-boats-locks-weirs-water-mills-barges-and-how-not-to-tip-a-rowing-boat/)