--- title: When you stare at a screen your eyes focus close for a long time and… — Posture, screens and resting your eyes · tree and pragmatics description: When you stare at a screen your eyes focus close for a long time and you blink less, so they get tired and dry; the 20-20-20 rule helps: every 20 minutes look at something about 20 feet (6 metres) away for 20 seconds. Who acts: you, eyes, 20-20-20 rule. A sentence of the lesson «Posture, screens and --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/everyday/8-posture-and-screens/2/) [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/) / [Everyday](https://md.mova.elamur.ai/free/en/corpora/school/everyday/) / [Posture, screens and resting your eyes](https://md.mova.elamur.ai/free/en/corpora/school/everyday/8-posture-and-screens/) / 2 # Posture, screens and resting your eyes, sentence 2 When you stare at a screen your eyes focus close for a long time and you blink less, so they get tired and dry; the 20-20-20 rule helps: every 20 minutes look at something about 20 feet (6 metres) away for 20 seconds. **Who acts:** you, eyes, 20-20-20 rule · **What happens:** stare, focus, blink, get, help, look This is a sentence of the lesson «Posture, screens and resting your eyes» of the everyday 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 (you, eyes, 20-20-20 rule), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:everyday:008-posture-and-screens.lesson:2 # text = When you stare at a screen your eyes focus close for a long time and you blink less, so they get tired and dry; the 20-20-20 rule helps: every 20 minutes look at something about 20 feet (6 metres) away for 20 seconds. # source = school lesson (ours) # course = everyday # lesson = 008-posture-and-screens.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 1 When when ADV WRB PronType=Int 3 advmod _ _ 2 you you PRON PRP Case=Nom|Person=2|PronType=Prs 3 nsubj _ _ 3 stare stare VERB VBP Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin 30 advcl _ _ 4 at at ADP IN _ 6 case _ _ 5 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 6 screen screen NOUN NN Number=Sing 3 obl _ _ 7 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 8 nmod:poss _ _ 8 eyes eye NOUN NNS Number=Plur 9 nsubj _ _ 9 focus focus VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 10 close close ADV RB _ 9 advmod _ _ 11 for for ADP IN _ 14 case _ _ 12 a a DET DT Definite=Ind|PronType=Art 14 det _ _ 13 long long ADJ JJ Degree=Pos 14 amod _ _ 14 time time NOUN NN Number=Sing 9 obl _ _ 15 and and CCONJ CC _ 17 cc _ _ 16 you you PRON PRP Case=Nom|Person=2|PronType=Prs 17 nsubj _ _ 17 blink blink VERB VBP Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin 9 conj _ Agree=R5-strong|Haiku=3:conj 18 less less ADV RBR Degree=Cmp 17 advmod _ _ 19 , , PUNCT , _ 22 punct _ _ 20 so so ADV RB _ 22 advmod _ _ 21 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 22 nsubj _ _ 22 get get VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 17 conj _ _ 23 tired tired ADJ JJ Degree=Pos 22 xcomp _ _ 24 and and CCONJ CC _ 25 cc _ _ 25 dry dry ADJ JJ Degree=Pos 23 conj _ _ 26 ; ; PUNCT , _ 30 punct _ _ 27 the the DET DT Definite=Def|PronType=Art 29 det _ _ 28 20-20-20 20-20-20 NUM CD NumForm=Digit|NumType=Card 29 nummod _ _ 29 rule rule NOUN NN Number=Sing 30 nsubj _ _ 30 helps help VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 31 : : PUNCT : _ 35 punct _ _ 32 every every DET DT PronType=Tot 34 det _ _ 33 20 20 NUM CD NumForm=Digit|NumType=Card 34 nummod _ _ 34 minutes minute NOUN NNS Number=Plur 35 obl:unmarked _ _ 35 look look VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 30 conj _ _ 36 at at ADP IN _ 37 case _ _ 37 something something PRON NN Number=Sing|PronType=Ind 35 obl _ _ 38 about about ADV RB _ 39 advmod _ _ 39 20 20 NUM CD NumForm=Digit|NumType=Card 40 nummod _ _ 40 feet foot NOUN NNS Number=Plur 45 obl:unmarked _ _ 41 ( ( PUNCT -LRB- _ 43 punct _ _ 42 6 6 NUM CD NumForm=Digit|NumType=Card 43 nummod _ _ 43 metres metre NOUN NNS Number=Plur 40 appos _ _ 44 ) ) PUNCT -RRB- _ 43 punct _ _ 45 away away ADV RB _ 35 advmod _ _ 46 for for ADP IN _ 48 case _ _ 47 20 20 NUM CD NumForm=Digit|NumType=Card 48 nummod _ _ 48 seconds second NOUN NNS Number=Plur 35 obl _ _ 49 . . PUNCT . _ 30 punct _ _ ``` ## Pragmatics {#pragmatics} - form: command - act: suggest - voice: narrator - polarity: neg - teacher: changed form=imp, act=suggest | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **stare** | present | you | | | | | at a screen | vn peer-30.3 «NP V PP.theme»: agent=Agent at screen=Theme | | 2 | **focus** | present | your eyes | | | | time | close *property* | vn focus-87.1 «NP V PP.topic»: agent=Agent | | 3 | **blink** | present | you | | | | | less *property* | vn hiccup-40.1.1 «NP V»: agent=Agent | | 4 | **get** | present | eyes *= eye* | | | | | tired *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer | | 5 | **help** | present | the 20-20-20 rule | | | | | | vn help-72.1-1-1 «NP V PP.theme»: agent=Agent | | 6 | **look** | present | the 20-20-20 rule *not said here* | | | | minute; second | at something; away *property* | vn peer-30.3 «NP V PP.theme»: agent=Agent at something=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:everyday:008-posture-and-screens.lesson:2`. **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. **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: [Posture, screens and resting your eyes, 0](https://md.mova.elamur.ai/free/en/corpora/school/everyday/8-posture-and-screens/0/) - next →: [Posture, screens and resting your eyes, 3](https://md.mova.elamur.ai/free/en/corpora/school/everyday/8-posture-and-screens/3/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/everyday/8-posture-and-screens/)