--- title: Seaweeds are algae with no roots, only a holdfast gripping the rock,… — Coral reefs, rockpools and the seashore · tree and pragmatics description: Seaweeds are algae with no roots, only a holdfast gripping the rock, and bladder wrack's air bubbles lift it towards the light when the tide is in. Who acts: Seaweeds, holdfast, air bubbles, tide. A sentence of the lesson «Coral reefs, rockpools and the seashore» of the biology course of Mova's prim --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/9-coral-reefs-rockpools-and-the-seashore/17/) [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/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Coral reefs, rockpools and the seashore](https://md.mova.elamur.ai/free/en/corpora/school/biology/9-coral-reefs-rockpools-and-the-seashore/) / 17 # Coral reefs, rockpools and the seashore, sentence 17 Seaweeds are algae with no roots, only a holdfast gripping the rock, and bladder wrack's air bubbles lift it towards the light when the tide is in. **Who acts:** Seaweeds, holdfast, air bubbles, tide · **What happens:** be, grip, lift · **To what, where:** algae, rock, light This is a sentence of the lesson «Coral reefs, rockpools and the seashore» of the biology 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 (Seaweeds, holdfast, air bubbles, tide), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:009-coral-reefs-rockpools-and-the-seashore.lesson:17 # text = Seaweeds are algae with no roots, only a holdfast gripping the rock, and bladder wrack's air bubbles lift it towards the light when the tide is in. # source = school lesson (ours) # course = biology # lesson = 009-coral-reefs-rockpools-and-the-seashore.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): no change 1 Seaweeds seaweed NOUN NNS Number=Plur 3 nsubj _ _ 2 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 3 cop _ _ 3 algae alga NOUN NNS Number=Plur 0 root _ _ 4 with with ADP IN _ 6 case _ _ 5 no no DET DT PronType=Neg 6 det _ _ 6 roots root NOUN NNS Number=Plur 3 nmod _ _ 7 , , PUNCT , _ 10 punct _ _ 8 only only ADV RB _ 10 advmod _ _ 9 a a DET DT Definite=Ind|PronType=Art 10 det _ _ 10 holdfast holdfast NOUN NN Number=Sing 3 conj _ _ 11 gripping grip VERB VBG VerbForm=Ger 10 acl _ _ 12 the the DET DT Definite=Def|PronType=Art 13 det _ _ 13 rock rock NOUN NN Number=Sing 11 obj _ _ 14 , , PUNCT , _ 21 punct _ _ 15 and and CCONJ CC _ 21 cc _ _ 16 bladder bladder NOUN NN Number=Sing 17 compound _ _ 17 wrack wrack NOUN NN Number=Sing 20 nmod:poss _ _ 18 's 's PART POS _ 17 case _ _ 19 air air NOUN NN Number=Sing 20 compound _ _ 20 bubbles bubble NOUN NNS Number=Plur 21 nsubj _ _ 21 lift lift VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 22 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 21 obj _ _ 23 towards towards ADP IN _ 25 case _ _ 24 the the DET DT Definite=Def|PronType=Art 25 det _ _ 25 light light NOUN NN Number=Sing 21 obl _ _ 26 when when SCONJ WRB _ 30 mark _ _ 27 the the DET DT Definite=Def|PronType=Art 28 det _ _ 28 tide tide NOUN NN Number=Sing 30 nsubj _ _ 29 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 30 cop _ _ 30 in in ADV RB _ 21 advcl _ _ 31 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is a** | present | Seaweeds | algae and a holdfast | | | | with no roots | tree rules | | 2 | **grip** | gerund | a holdfast *not said here* | the rock | | | | | vn touch-20-1 «NP V NP»: agent=Agent rock=Experiencer | | 3 | **lift** | present | bladder wrack's air bubbles | rock | | the light | | | vn put\_direction-9.4 «NP V NP PP.destination»: agent=Agent it=Theme towards light=Destination | | 4 | **is** | present | the tide | | | | | in *property* | tree rules | 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:biology:009-coral-reefs-rockpools-and-the-seashore.lesson:17`. **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): no change. **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: [Coral reefs, rockpools and the seashore, 16](https://md.mova.elamur.ai/free/en/corpora/school/biology/9-coral-reefs-rockpools-and-the-seashore/16/) - next →: [Coral reefs, rockpools and the seashore, 18](https://md.mova.elamur.ai/free/en/corpora/school/biology/9-coral-reefs-rockpools-and-the-seashore/18/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/9-coral-reefs-rockpools-and-the-seashore/)