--- title: About 540 million years ago, many animal groups with shells, eyes an… — Deep time and the story of life · tree and pragmatics description: About 540 million years ago, many animal groups with shells, eyes and legs appeared fairly quickly, in the Cambrian explosion. Who acts: many animal groups. A sentence of the lesson «Deep time and the story of life» of the geography course of Mova's primary school with its dependency tree and the pr --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/geography/58-deep-time-and-the-story-of-life/13/) [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/) / [Geography](https://md.mova.elamur.ai/free/en/corpora/school/geography/) / [Deep time and the story of life](https://md.mova.elamur.ai/free/en/corpora/school/geography/58-deep-time-and-the-story-of-life/) / 13 # Deep time and the story of life, sentence 13 About 540 million years ago, many animal groups with shells, eyes and legs appeared fairly quickly, in the Cambrian explosion. **Who acts:** many animal groups · **What happens:** appear · **To what, where:** Cambrian explosion This is a sentence of the lesson «Deep time and the story of life» of the geography 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 (many animal groups), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:geography:058-deep-time-and-the-story-of-life.lesson:13 # text = About 540 million years ago, many animal groups with shells, eyes and legs appeared fairly quickly, in the Cambrian explosion. # source = school lesson (ours) # course = geography # lesson = 058-deep-time-and-the-story-of-life.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 1 About about ADV RB _ 3 advmod _ _ 2 540 540 NUM CD NumForm=Digit|NumType=Card 3 compound _ _ 3 million million NUM CD NumForm=Word|NumType=Card 4 nummod _ _ 4 years year NOUN NNS Number=Plur 5 obl:unmarked _ _ 5 ago ago ADV RB _ 16 advmod _ _ 6 , , PUNCT , _ 5 punct _ _ 7 many many ADJ JJ Degree=Pos 9 amod _ _ 8 animal animal NOUN NN Number=Sing 9 compound _ _ 9 groups group NOUN NNS Number=Plur 16 nsubj _ _ 10 with with ADP IN _ 11 case _ _ 11 shells shell NOUN NNS Number=Plur 9 nmod _ _ 12 , , PUNCT , _ 13 punct _ _ 13 eyes eye NOUN NNS Number=Plur 11 conj _ Agree=R5-strong|Haiku=9:conj 14 and and CCONJ CC _ 15 cc _ _ 15 legs leg NOUN NNS Number=Plur 9 conj _ _ 16 appeared appear VERB VBD Tense=Past|VerbForm=Fin 0 root _ _ 17 fairly fairly ADV RB _ 18 advmod _ Agree=R5-strong|Haiku=16:advmod 18 quickly quickly ADV RB _ 16 advmod _ _ 19 , , PUNCT , _ 23 punct _ _ 20 in in ADP IN _ 23 case _ _ 21 the the DET DT Definite=Def|PronType=Art 23 det _ _ 22 Cambrian cambrian NOUN NN Number=Sing 23 compound _ _ 23 explosion explosion NOUN NN Number=Sing 16 obl _ _ 24 . . PUNCT . _ 16 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **appear** | past | many animal groups with shells and eyes and legs | | | the Cambrian explosion | | ago, quickly *property* | vn appear-48.1.1 «NP V PP.location»: agent=Theme in explosion=Location | 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:geography:058-deep-time-and-the-story-of-life.lesson:13`. **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. **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: [Deep time and the story of life, 10](https://md.mova.elamur.ai/free/en/corpora/school/geography/58-deep-time-and-the-story-of-life/10/) - next →: [Deep time and the story of life, 14](https://md.mova.elamur.ai/free/en/corpora/school/geography/58-deep-time-and-the-story-of-life/14/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/geography/58-deep-time-and-the-story-of-life/)