--- title: A snail glides on a layer of slime that helps it grip and slide, eve… — Worms, snails and slugs · tree and pragmatics description: A snail glides on a layer of slime that helps it grip and slide, even upside down on a leaf, and leaves a shiny trail behind. Who acts: snail, layer, soil. A sentence of the lesson «Worms, snails and slugs» of the biology course of Mova's primary school with its dependency tree and the pragmatics of --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/217-worms-snails-and-slugs/10/) [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/) / [Worms, snails and slugs](https://md.mova.elamur.ai/free/en/corpora/school/biology/217-worms-snails-and-slugs/) / 10 # Worms, snails and slugs, sentence 10 A snail glides on a layer of slime that helps it grip and slide, even upside down on a leaf, and leaves a shiny trail behind. **Who acts:** snail, layer, soil · **What happens:** glide, help, grip, slide, leave · **To what, where:** upside, layer, soil, shiny trail This is a sentence of the lesson «Worms, snails and slugs» 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 (snail, layer, soil), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:217-worms-snails-and-slugs.lesson:10 # text = A snail glides on a layer of slime that helps it grip and slide, even upside down on a leaf, and leaves a shiny trail behind. # source = school lesson (ours) # course = biology # lesson = 217-worms-snails-and-slugs.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): R1-cc-next ×1, R5-strong ×1 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 snail snail NOUN NN Number=Sing 3 nsubj _ _ 3 glides glide VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 on on ADP IN _ 6 case _ _ 5 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 6 layer layer NOUN NN Number=Sing 3 obl _ _ 7 of of ADP IN _ 8 case _ _ 8 slime slime NOUN NN Number=Sing 6 nmod _ _ 9 that that PRON WDT PronType=Rel 10 nsubj _ _ 10 helps help VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 acl:relcl _ Agree=R5-strong|Haiku=8:acl:relcl 11 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 10 obj _ _ 12 grip grip VERB VB VerbForm=Inf 10 xcomp _ _ 13 and and CCONJ CC _ 14 cc _ Agree=R1-cc-next|Haiku=12:cc 14 slide slide VERB VB VerbForm=Inf 12 conj _ _ 15 , , PUNCT , _ 17 punct _ _ 16 even even ADV RB _ 17 advmod _ _ 17 upside upside NOUN NN Number=Sing 3 obl:unmarked _ _ 18 down down ADP RP _ 17 compound:prt _ _ 19 on on ADP IN _ 21 case _ _ 20 a a DET DT Definite=Ind|PronType=Art 21 det _ _ 21 leaf leaf NOUN NN Number=Sing 17 nmod _ _ 22 , , PUNCT , _ 24 punct _ _ 23 and and CCONJ CC _ 24 cc _ _ 24 leaves leave VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 25 a a DET DT Definite=Ind|PronType=Art 27 det _ _ 26 shiny shiny ADJ JJ Degree=Pos 27 amod _ _ 27 trail trail NOUN NN Number=Sing 24 obj _ _ 28 behind behind ADV RB _ 24 advmod _ _ 29 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: changed act=assert | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **glide** | present | a snail | upside on a leaf | | a layer of slime | | | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on layer=Trajectory | | 2 | **help** | present | a layer of slime | soil | | | | | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent it=Beneficiary clause=Theme | | 3 | **grip** | infinitive | soil *not said here* | | | | | | vn touch-20-1 «NP V NP»: agent=Agent | | 4 | **slide** | infinitive | soil *not said here* | | | | | | vn run-51.3.2-2 «NP V»: agent=Theme | | 5 | **leave** | present | a snail *not said here* | a shiny trail | | | | behind *property* | vn keep-15.2 «NP V NP»: agent=Agent trail=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:biology:217-worms-snails-and-slugs.lesson:10`. **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): R1-cc-next ×1, 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: [Worms, snails and slugs, 9](https://md.mova.elamur.ai/free/en/corpora/school/biology/217-worms-snails-and-slugs/9/) - next →: [Worms, snails and slugs, 11](https://md.mova.elamur.ai/free/en/corpora/school/biology/217-worms-snails-and-slugs/11/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/217-worms-snails-and-slugs/)