--- title: Alligators have a wide U-shaped snout and hidden lower teeth, while… — Crocodiles and alligators · tree and pragmatics description: Alligators have a wide U-shaped snout and hidden lower teeth, while crocodiles have a narrower V-shaped snout and a lower tooth that shows when the mouth is shut. Who acts: Alligators, crocodiles, lower tooth, mouth. A sentence of the lesson «Crocodiles and alligators» of the biology course of Mova' --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/29-crocodiles-and-alligators/5/) [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/) / [Crocodiles and alligators](https://md.mova.elamur.ai/free/en/corpora/school/biology/29-crocodiles-and-alligators/) / 5 # Crocodiles and alligators, sentence 5 Alligators have a wide U-shaped snout and hidden lower teeth, while crocodiles have a narrower V-shaped snout and a lower tooth that shows when the mouth is shut. **Who acts:** Alligators, crocodiles, lower tooth, mouth · **What happens:** have, hide, show, be · **To what, where:** wide shaped snout, narrower shaped snout This is a sentence of the lesson «Crocodiles and alligators» 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 (Alligators, crocodiles, lower tooth, mouth), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:029-crocodiles-and-alligators.lesson:5 # text = Alligators have a wide U-shaped snout and hidden lower teeth, while crocodiles have a narrower V-shaped snout and a lower tooth that shows when the mouth is shut. # source = school lesson (ours) # course = biology # lesson = 029-crocodiles-and-alligators.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): R5-strong ×2, R7-rel-agree ×1, R8-pos-agree ×1 1 Alligators alligator NOUN NNS Number=Plur 2 nsubj _ _ 2 have have VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 a a DET DT Definite=Ind|PronType=Art 8 det _ _ 4 wide wide ADJ JJ Degree=Pos 8 amod _ Agree=R5-strong|Haiku=7:advmod|HaikuPos=ADV:RB:_ 5 U U PROPN NNP Number=Sing 7 compound _ _ 6 - - PUNCT HYPH _ 5 punct _ _ 7 shaped shaped ADJ JJ Degree=Pos 8 amod _ _ 8 snout snout NOUN NN Number=Sing 2 obj _ _ 9 and and CCONJ CC _ 12 cc _ _ 10 hidden hide VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 12 amod _ Agree=R8-pos-agree|Haiku=12:amod|HaikuPos=ADJ:JJ:Degree=Pos 11 lower low ADJ JJR Degree=Cmp 12 amod _ _ 12 teeth tooth NOUN NNS Number=Plur 8 conj _ _ 13 , , PUNCT , _ 16 punct _ _ 14 while while SCONJ IN _ 16 mark _ _ 15 crocodiles crocodile NOUN NNS Number=Plur 16 nsubj _ _ 16 have have VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 2 advcl _ Agree=R7-rel-agree|Haiku=2:conj 17 a a DET DT Definite=Ind|PronType=Art 22 det _ _ 18 narrower narrow ADJ JJR Degree=Cmp 22 amod _ _ 19 V v X NN _ 18 goeswith _ _ 20 - - PUNCT HYPH _ 19 punct _ _ 21 shaped shaped ADJ JJ Degree=Pos 22 amod _ _ 22 snout snout NOUN NN Number=Sing 16 obj _ _ 23 and and CCONJ CC _ 26 cc _ _ 24 a a DET DT Definite=Ind|PronType=Art 26 det _ _ 25 lower low ADJ JJR Degree=Cmp 26 amod _ _ 26 tooth tooth NOUN NN Number=Sing 22 conj _ _ 27 that that PRON WDT PronType=Rel 28 nsubj _ _ 28 shows show VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 26 acl:relcl _ Agree=R5-strong|Haiku=22:acl:relcl 29 when when ADV WRB PronType=Int 33 advmod _ _ 30 the the DET DT Definite=Def|PronType=Art 31 det _ _ 31 mouth mouth NOUN NN Number=Sing 33 nsubj _ _ 32 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 33 cop _ _ 33 shut shut ADJ JJ Degree=Pos 28 advcl _ _ 34 . . 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 | Alligators | a wide shaped snout and hidden lower teeth | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent snout=Patient | | 2 | **hide** | participle | | | | | | | vn concealment-16-1 «NP V»: agent=Agent | | 3 | **have** | present | crocodiles | a narrower shaped snout and a lower tooth | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent snout=Patient | | 4 | **show** | present | a lower tooth | | | | | | vn transfer\_mesg-37.1.1-1-1 «NP V»: agent=Agent | | 5 | **is** | present | the mouth | | | | | shut *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:029-crocodiles-and-alligators.lesson:5`. **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): R5-strong ×2, 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: [Crocodiles and alligators, 4](https://md.mova.elamur.ai/free/en/corpora/school/biology/29-crocodiles-and-alligators/4/) - next →: [Crocodiles and alligators, 6](https://md.mova.elamur.ai/free/en/corpora/school/biology/29-crocodiles-and-alligators/6/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/29-crocodiles-and-alligators/)