--- title: A beaver's front teeth keep growing all its life, and their orange f… — Animal builders: beavers, dams and lodges · tree and pragmatics description: A beaver's front teeth keep growing all its life, and their orange front has iron in the enamel, which makes them harder; a beaver can cut down a thin tree in a few minutes. Who acts: front teeth, orange front, enamel, beaver. A sentence of the lesson «Animal builders: beavers, dams and lodges» of t --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/242-animal-builders-beavers-dams-and-lodges/6/) [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/) / [Animal builders: beavers, dams and lod…](https://md.mova.elamur.ai/free/en/corpora/school/biology/242-animal-builders-beavers-dams-and-lodges/) / 6 # Animal builders: beavers, dams and lodges, sentence 6 A beaver's front teeth keep growing all its life, and their orange front has iron in the enamel, which makes them harder; a beaver can cut down a thin tree in a few minutes. **Who acts:** front teeth, orange front, enamel, beaver · **What happens:** keep, grow, have, make, cut down · **To what, where:** life, iron, enamel, teeth, thin tree This is a sentence of the lesson «Animal builders: beavers, dams and lodges» 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 (front teeth, orange front, enamel, beaver), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:242-animal-builders-beavers-dams-and-lodges.lesson:6 # text = A beaver's front teeth keep growing all its life, and their orange front has iron in the enamel, which makes them harder; a beaver can cut down a thin tree in a few minutes. # source = school lesson (ours) # course = biology # lesson = 242-animal-builders-beavers-dams-and-lodges.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): R3-conj-first ×1, R7-rel-agree ×1, R8-pos-agree ×1 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 beaver beaver NOUN NN Number=Sing 5 nmod:poss _ _ 3 's 's PART POS _ 2 case _ _ 4 front front ADJ JJ Degree=Pos 5 amod _ _ 5 teeth tooth NOUN NNS Number=Plur 6 nsubj _ _ 6 keep keep VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 7 growing grow VERB VBG VerbForm=Ger 6 xcomp _ _ 8 all all DET PDT PronType=Tot 10 det _ Agree=R8-pos-agree|Haiku=10:det|HaikuPos=DET:DT:PronType=Tot 9 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 10 nmod:poss _ _ 10 life life NOUN NN Number=Sing 7 obj _ _ 11 , , PUNCT , _ 16 punct _ _ 12 and and CCONJ CC _ 16 cc _ _ 13 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 15 nmod:poss _ _ 14 orange orange ADJ JJ Degree=Pos 15 amod _ _ 15 front front NOUN NN Number=Sing 16 nsubj _ _ 16 has have VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 conj _ _ 17 iron iron NOUN NN Number=Sing 16 obj _ _ 18 in in ADP IN _ 20 case _ _ 19 the the DET DT Definite=Def|PronType=Art 20 det _ _ 20 enamel enamel NOUN NN Number=Sing 17 nmod _ _ 21 , , PUNCT , _ 23 punct _ _ 22 which which PRON WDT PronType=Rel 23 nsubj _ _ 23 makes make VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 20 acl:relcl _ _ 24 them they PRON PRP Case=Acc|Number=Plur|Person=3|PronType=Prs 23 obj _ _ 25 harder hard ADJ JJR Degree=Cmp 23 xcomp _ Agree=R7-rel-agree|Haiku=23:advmod|HaikuPos=ADV:RBR:Degree=Cmp 26 ; ; PUNCT , _ 30 punct _ _ 27 a a DET DT Definite=Ind|PronType=Art 28 det _ _ 28 beaver beaver NOUN NN Number=Sing 30 nsubj _ _ 29 can can AUX MD VerbForm=Fin 30 aux _ _ 30 cut cut VERB VB VerbForm=Inf 6 conj _ Agree=R3-conj-first|Haiku=16:conj 31 down down ADP RP _ 30 compound:prt _ _ 32 a a DET DT Definite=Ind|PronType=Art 34 det _ _ 33 thin thin ADJ JJ Degree=Pos 34 amod _ _ 34 tree tree NOUN NN Number=Sing 30 obj _ _ 35 in in ADP IN _ 38 case _ _ 36 a a DET DT Definite=Ind|PronType=Art 38 det _ _ 37 few few ADJ JJ Degree=Pos 38 amod _ _ 38 minutes minute NOUN NNS Number=Plur 30 obl _ _ 39 . . 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 | **keep** | present | a beaver's front teeth | | | | | | tree rules | | 2 | **grow** | gerund | a beaver's front teeth *not said here* | beaver's life | | | | | vn appear-48.1.1 «PP.location V NP»: agent=Location life=Theme | | 3 | **have** | present | teeth's orange front | iron | | the enamel | | | vn birth-28.2-1 «NP V NP»: agent=Agent iron=Patient | | 4 | **make** | present | the enamel | teeth *= tooth* | | | | hard *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset they=Product | | 5 | **cut down** | can | a beaver | a thin tree | | | minute | | vn build-26.1-1 «NP V NP»: agent=Agent tree=Product | 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:242-animal-builders-beavers-dams-and-lodges.lesson:6`. **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): R3-conj-first ×1, R7-rel-agree ×1, R8-pos-agree ×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: [Animal builders: beavers, dams and lod…, 5](https://md.mova.elamur.ai/free/en/corpora/school/biology/242-animal-builders-beavers-dams-and-lodges/5/) - next →: [Animal builders: beavers, dams and lod…, 7](https://md.mova.elamur.ai/free/en/corpora/school/biology/242-animal-builders-beavers-dams-and-lodges/7/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/242-animal-builders-beavers-dams-and-lodges/)