--- title: Rodents have two upper and two lower front teeth that never stop gro… — Rodents: the biggest group of mammals and their… · tree and pragmatics description: Rodents have two upper and two lower front teeth that never stop growing and are worn down by gnawing, so they stay sharp and the right length. Who acts: Rodents, two upper two lower front teeth. A sentence of the lesson «Rodents: the biggest group of mammals and their ever-growing teeth» of the bio --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth/7/) [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/) / [Rodents: the biggest group of mammals…](https://md.mova.elamur.ai/free/en/corpora/school/biology/316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth/) / 7 # Rodents: the biggest group of mammals and their ever-growing teeth, sentence 7 Rodents have two upper and two lower front teeth that never stop growing and are worn down by gnawing, so they stay sharp and the right length. **Who acts:** Rodents, two upper two lower front teeth · **What happens:** have, not stop, grow, wear down, gnaw, stay · **To what, where:** two upper two lower front teeth This is a sentence of the lesson «Rodents: the biggest group of mammals and their ever-growing teeth» 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 (Rodents, two upper two lower front teeth), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth.lesson:7 # text = Rodents have two upper and two lower front teeth that never stop growing and are worn down by gnawing, so they stay sharp and the right length. # source = school lesson (ours) # course = biology # lesson = 316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth.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): R7-rel-agree ×2 1 Rodents rodent NOUN NNS Number=Plur 2 nsubj _ _ 2 have have VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 two two NUM CD NumForm=Word|NumType=Card 9 nummod _ _ 4 upper upper ADJ JJ Degree=Pos 9 amod _ _ 5 and and CCONJ CC _ 9 cc _ _ 6 two two NUM CD NumForm=Word|NumType=Card 9 nummod _ _ 7 lower low ADJ JJ Degree=Pos 9 amod _ _ 8 front front ADJ JJ Degree=Pos 9 amod _ _ 9 teeth tooth NOUN NNS Number=Plur 2 obj _ _ 10 that that PRON WDT PronType=Rel 12 nsubj _ Agree=R7-rel-agree|Haiku=12:obj 11 never never ADV RB PronType=Neg 12 advmod _ _ 12 stop stop VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 9 acl:relcl _ _ 13 growing grow VERB VBG VerbForm=Ger 12 xcomp _ _ 14 and and CCONJ CC _ 16 cc _ _ 15 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 16 aux:pass _ _ 16 worn wear VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 12 conj _ _ 17 down down ADP RP _ 16 compound:prt _ _ 18 by by ADP IN _ 19 case _ Agree=R7-rel-agree|Haiku=19:mark|HaikuPos=SCONJ:IN:_ 19 gnawing gnaw VERB VBG Tense=Pres|VerbForm=Part 16 advcl _ _ 20 , , PUNCT , _ 23 punct _ _ 21 so so ADV RB _ 23 advmod _ _ 22 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 23 nsubj _ _ 23 stay stay VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 12 parataxis _ _ 24 sharp sharp ADJ JJ Degree=Pos 23 xcomp _ _ 25 and and CCONJ CC _ 28 cc _ _ 26 the the DET DT Definite=Def|PronType=Art 28 det _ _ 27 right right ADJ JJ Degree=Pos 28 amod _ _ 28 length length NOUN NN Number=Sing 24 conj _ _ 29 . . PUNCT . _ 2 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **have** | present | Rodents | two upper two lower front teeth | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent tooth=Patient | | 2 | **not** **stop** | present | two upper two lower front teeth | | | | | | vn stop-55.4-1-1 «NP V S\_ING»: agent=Affector clause=Eventuality | | 3 | **grow** | gerund | two upper two lower front teeth *not said here* | | | | | | vn appear-48.1.1 «NP V»: agent=Theme | | 4 | **wear down** | present · passive | two upper two lower front teeth *not said here* | | | | | | vn wipe\_manner-10.4.1-1 «NP V PP-Conative» | | 5 | **gnaw** | gerund | two upper two lower front teeth *not said here* | | | | | | vn chew-39.2 «NP V»: agent=Agent | | 6 | **stay** | present | rodents *= rodent* | | | | | sharp *property* | vn exist-47.1 «NP V»: agent=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:316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth.lesson:7`. **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): R7-rel-agree ×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: [Rodents: the biggest group of mammals…, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth/6/) - next →: [Rodents: the biggest group of mammals…, 8](https://md.mova.elamur.ai/free/en/corpora/school/biology/316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth/8/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/316-rodents-the-biggest-group-of-mammals-and-their-ever-growing-teeth/)