--- title: Most years that divide exactly by 4 are leap years: 2024 ÷ 4 = 506 a… — Leap years and 29 February birthdays · tree and pragmatics description: Most years that divide exactly by 4 are leap years: 2024 ÷ 4 = 506 and 2028 ÷ 4 = 507, so both are; 2026 ÷ 4 = 506.5, so it is not. Who acts: Most years, ÷. A sentence of the lesson «Leap years and 29 February birthdays» of the world course of Mova's primary school with its dependency tree and the p --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/112-leap-years-and-29-february-birthdays/3/) [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/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / [Leap years and 29 February birthdays](https://md.mova.elamur.ai/free/en/corpora/school/world/112-leap-years-and-29-february-birthdays/) / 3 # Leap years and 29 February birthdays, sentence 3 Most years that divide exactly by 4 are leap years: 2024 ÷ 4 = 506 and 2028 ÷ 4 = 507, so both are; 2026 ÷ 4 = 506.5, so it is not. **Who acts:** Most years, ÷ · **What happens:** divide, be, not be · **To what, where:** leap years, 2026 This is a sentence of the lesson «Leap years and 29 February birthdays» of the world 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 (Most years, ÷), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:world:112-leap-years-and-29-february-birthdays.lesson:3 # text = Most years that divide exactly by 4 are leap years: 2024 ÷ 4 = 506 and 2028 ÷ 4 = 507, so both are; 2026 ÷ 4 = 506.5, so it is not. # source = school lesson (ours) # course = world # lesson = 112-leap-years-and-29-february-birthdays.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 ×1, R7-rel-agree ×1 1 Most most ADJ JJS Degree=Sup 2 amod _ _ 2 years year NOUN NNS Number=Plur 10 nsubj _ _ 3 that that PRON WDT PronType=Rel 4 nsubj _ _ 4 divide divide VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 2 acl:relcl _ _ 5 exactly exactly ADV RB _ 4 advmod _ Agree=R5-strong|Haiku=7:advmod 6 by by ADP IN _ 7 case _ _ 7 4 4 NUM CD NumForm=Digit|NumType=Card 4 obl _ _ 8 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 10 cop _ _ 9 leap leap NOUN NN Number=Sing 10 compound _ Agree=R7-rel-agree|Haiku=10:amod|HaikuPos=ADJ:JJ:Degree=Pos 10 years year NOUN NNS Number=Plur 0 root _ _ 11 : : PUNCT : _ 12 punct _ _ 12 2024 2024 NUM CD NumForm=Digit|NumType=Card 10 parataxis _ _ 13 ÷ ÷ ADP IN _ 14 case _ _ 14 4 4 NUM CD NumForm=Digit|NumType=Card 12 nmod _ _ 15 = = SYM SYM _ 16 case _ _ 16 506 506 NUM CD NumForm=Digit|NumType=Card 12 nmod _ _ 17 and and CCONJ CC _ 18 cc _ _ 18 2028 2028 NUM CD NumForm=Digit|NumType=Card 12 conj _ _ 19 ÷ ÷ NOUN NN Number=Sing 18 nmod:unmarked _ _ 20 4 4 NUM CD NumForm=Digit|NumType=Card 19 flat _ _ 21 = = SYM SYM _ 22 case _ _ 22 507 507 NUM CD NumForm=Digit|NumType=Card 18 nmod _ _ 23 , , PUNCT , _ 36 punct _ _ 24 so so ADV RB _ 36 advmod _ _ 25 both both DET DT PronType=Tot 28 advmod _ _ 26 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 28 cop _ _ 27 ; ; PUNCT , _ 28 punct _ _ 28 2026 2026 NUM CD NumForm=Digit|NumType=Card 10 parataxis _ _ 29 ÷ ÷ CCONJ CC _ 30 cc _ _ 30 4 4 NUM CD NumForm=Digit|NumType=Card 28 conj _ _ 31 = = SYM SYM _ 32 case _ _ 32 506.5 506.5 NUM CD NumForm=Digit|NumType=Frac 30 nmod _ _ 33 , , PUNCT , _ 28 punct _ _ 34 so so ADV RB _ 36 advmod _ _ 35 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 36 nsubj _ _ 36 is be VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 10 parataxis _ _ 37 not not PART RB Polarity=Neg 36 advmod _ _ 38 . . PUNCT . _ 10 punct _ _ ``` ## Pragmatics {#pragmatics} - form: statement - act: assert - voice: narrator - polarity: none - teacher: kept the draft | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **divide** | present | Most years | | | | | by 4; exactly *property* | vn multiply-108-1 «NP V NP PP.co-theme»: agent=Agent by 4=Co-Theme | | 2 | **is a** | present | Most years | leap years | | | | | tree rules | | 3 | **is a** | present | | 2026 | | | | | tree rules | | 4 | **not** **be** | present | ÷ | | | | | | 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:world:112-leap-years-and-29-february-birthdays.lesson:3`. **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 ×1, R7-rel-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: [Leap years and 29 February birthdays, 2](https://md.mova.elamur.ai/free/en/corpora/school/world/112-leap-years-and-29-february-birthdays/2/) - next →: [Leap years and 29 February birthdays, 4](https://md.mova.elamur.ai/free/en/corpora/school/world/112-leap-years-and-29-february-birthdays/4/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/112-leap-years-and-29-february-birthdays/)