--- title: Venomous snakes inject venom through fangs, mostly to catch prey, an… — Snakes and lizards · tree and pragmatics description: Venomous snakes inject venom through fangs, mostly to catch prey, and bite people only when frightened or stepped on; in Britain the adder is the only venomous snake. Who acts: Venomous snakes, adder. A sentence of the lesson «Snakes and lizards» of the biology course of Mova's primary school with i --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/8/) [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/) / [Snakes and lizards](https://md.mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/) / 8 # Snakes and lizards, sentence 8 Venomous snakes inject venom through fangs, mostly to catch prey, and bite people only when frightened or stepped on; in Britain the adder is the only venomous snake. **Who acts:** Venomous snakes, adder · **What happens:** inject, catch, bite, frighten, step on, be · **To what, where:** venom, fangs, prey, people, only venomous snake This is a sentence of the lesson «Snakes and lizards» 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 (Venomous snakes, adder), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:030-snakes-and-lizards.lesson:8 # text = Venomous snakes inject venom through fangs, mostly to catch prey, and bite people only when frightened or stepped on; in Britain the adder is the only venomous snake. # source = school lesson (ours) # course = biology # lesson = 030-snakes-and-lizards.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 ×2 1 Venomous venomous ADJ JJ Degree=Pos 2 amod _ _ 2 snakes snake NOUN NNS Number=Plur 3 nsubj _ _ 3 inject inject VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 venom venom NOUN NN Number=Sing 3 obj _ _ 5 through through ADP IN _ 6 case _ _ 6 fangs fang NOUN NNS Number=Plur 3 obl _ _ 7 , , PUNCT , _ 10 punct _ _ 8 mostly mostly ADV RB _ 10 advmod _ _ 9 to to PART TO _ 10 mark _ _ 10 catch catch VERB VB VerbForm=Inf 3 advcl _ _ 11 prey prey NOUN NN Number=Sing 10 obj _ _ 12 , , PUNCT , _ 14 punct _ _ 13 and and CCONJ CC _ 14 cc _ Agree=R1-cc-next|Haiku=3:cc 14 bite bite VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 15 people people NOUN NNS Number=Plur 14 obj _ _ 16 only only ADV RB _ 18 advmod _ _ 17 when when ADV WRB PronType=Int 18 advmod _ _ 18 frightened frighten VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 14 advcl _ _ 19 or or CCONJ CC _ 20 cc _ Agree=R1-cc-next|Haiku=18:cc 20 stepped step VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 18 conj _ _ 21 on on ADP RP _ 20 compound:prt _ _ 22 ; ; PUNCT , _ 31 punct _ _ 23 in in ADP IN _ 24 case _ _ 24 Britain Britain PROPN NNP Number=Sing 26 nmod _ _ 25 the the DET DT Definite=Def|PronType=Art 26 det _ _ 26 adder adder NOUN NN Number=Sing 31 nsubj _ _ 27 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 31 cop _ _ 28 the the DET DT Definite=Def|PronType=Art 31 det _ _ 29 only only ADJ JJ Degree=Pos 31 amod _ _ 30 venomous venomous ADJ JJ Degree=Pos 31 amod _ _ 31 snake snake NOUN NN Number=Sing 3 parataxis _ _ 32 . . PUNCT . _ 3 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **inject** | present | Venomous snakes | venom | | fangs | | | vn eat-39.1 «NP V NP»: agent=Agent venom=Patient | | 2 | **catch** | to-infinitive | Venomous snakes *not said here* | prey | | | | mostly *property* | vn get-13.5.1 «NP V NP»: agent=Agent prey=Theme | | 3 | **bite** | present | Venomous snakes *not said here* | people | | | | | vn swat-18.2 «NP V NP»: agent=Agent people=Patient | | 4 | **frighten** | participle | Venomous snakes *not said here* | | | | | | vn amuse-31.1 «NP V ADV-Middle»: agent=Experiencer | | 5 | **step on** | participle | Venomous snakes *not said here* | | | | | | vn run-51.3.2 «NP V»: agent=Theme | | 6 | **is a** | present | the adder in Britain | the only venomous snake | | | | | 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:030-snakes-and-lizards.lesson:8`. **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 ×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: [Snakes and lizards, 7](https://md.mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/7/) - next →: [Snakes and lizards, 9](https://md.mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/9/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/30-snakes-and-lizards/)