--- title: A fire needs three things at once: fuel to burn, heat to keep it goi… — Fire: what it needs and how to put it out · tree and pragmatics description: A fire needs three things at once: fuel to burn, heat to keep it going, and oxygen from the air; this is the fire triangle on the poster at school. Who acts: fire, this. A sentence of the lesson «Fire: what it needs and how to put it out» of the chemistry course of Mova's primary school with its dep --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/12-fire-what-it-needs/0/) [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/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/) / [Fire: what it needs and how to put it…](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/12-fire-what-it-needs/) / 0 # Fire: what it needs and how to put it out, sentence 0 A fire needs three things at once: fuel to burn, heat to keep it going, and oxygen from the air; this is the fire triangle on the poster at school. **Who acts:** fire, this · **What happens:** need, burn, keep, go, be · **To what, where:** three things, fire, fire triangle, poster This is a sentence of the lesson «Fire: what it needs and how to put it out» of the chemistry 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 (fire, this), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:chemistry:012-fire-what-it-needs.lesson:0 # text = A fire needs three things at once: fuel to burn, heat to keep it going, and oxygen from the air; this is the fire triangle on the poster at school. # source = school lesson (ours) # course = chemistry # lesson = 012-fire-what-it-needs.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): no change 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 fire fire NOUN NN Number=Sing 3 nsubj _ _ 3 needs need VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 three three NUM CD NumForm=Word|NumType=Card 5 nummod _ _ 5 things thing NOUN NNS Number=Plur 3 obj _ _ 6 at at ADP IN _ 7 case _ _ 7 once once ADV RB NumForm=Word|NumType=Mult 3 obl _ _ 8 : : PUNCT : _ 9 punct _ _ 9 fuel fuel NOUN NN Number=Sing 5 appos _ _ 10 to to PART TO _ 11 mark _ _ 11 burn burn VERB VB VerbForm=Inf 9 acl _ _ 12 , , PUNCT , _ 13 punct _ _ 13 heat heat NOUN NN Number=Sing 9 conj _ _ 14 to to PART TO _ 15 mark _ _ 15 keep keep VERB VB VerbForm=Inf 13 acl _ _ 16 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 15 obj _ _ 17 going go VERB VBG VerbForm=Ger 15 xcomp _ _ 18 , , PUNCT , _ 20 punct _ _ 19 and and CCONJ CC _ 20 cc _ _ 20 oxygen oxygen NOUN NN Number=Sing 9 conj _ _ 21 from from ADP IN _ 23 case _ _ 22 the the DET DT Definite=Def|PronType=Art 23 det _ _ 23 air air NOUN NN Number=Sing 20 nmod _ _ 24 ; ; PUNCT , _ 3 punct _ _ 25 this this PRON DT Number=Sing|PronType=Dem 29 nsubj _ _ 26 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 29 cop _ _ 27 the the DET DT Definite=Def|PronType=Art 29 det _ _ 28 fire fire NOUN NN Number=Sing 29 compound _ _ 29 triangle triangle NOUN NN Number=Sing 3 parataxis _ _ 30 on on ADP IN _ 32 case _ _ 31 the the DET DT Definite=Def|PronType=Art 32 det _ _ 32 poster poster NOUN NN Number=Sing 29 nmod _ _ 33 at at ADP IN _ 34 case _ _ 34 school school NOUN NN Number=Sing 32 nmod _ _ 35 . . 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 | **need** | present | a fire | three things | | | | | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot thing=Theme | | 2 | **burn** | to-infinitive | a fire *not said here* | | | | | | vn light\_emission-43.1 «NP V»: agent=Theme | | 3 | **keep** | to-infinitive | a fire *not said here* | fire | | | | | tree rules | | 4 | **go** | gerund | fire *not said here* | | | | | | vn disappearance-48.2-1 «NP V»: agent=Theme | | 5 | **is a** | present | this | the fire triangle | | the poster at school | | | 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:chemistry:012-fire-what-it-needs.lesson:0`. **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): no change. **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: [The candle and what burning is, 17](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/11-the-candle-and-burning/17/) - next →: [Fire: what it needs and how to put it…, 1](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/12-fire-what-it-needs/1/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/12-fire-what-it-needs/)