--- title: why do bridges have all those triangles — Building strong things: bridges, tower… · tree and pragmatics description: why do bridges have all those triangles Test 10 · ★★ of lesson 86 «Building strong things: bridges, towers and shapes» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/86-building-strong-things/t10/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / [Building strong things: bridges, tower…](https://md.mova.elamur.ai/free/en/corpora/questions/world/86-building-strong-things/) / t10 # Test 10 · ★★ · Building strong things: bridges, towers and shapes why do bridges have all those triangles **Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** bridges · **What happens:** have · **To what, where:** triangles This is test 10 · ★★ of lesson 86 «Building strong things: bridges, towers and shapes» of the world course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/world/86-building-strong-things/#t10). ## The question {#question} ```conllu # sent_id = question:world:86-building-strong-things:t10:1 # text = why do bridges have all those triangles 1 why why ADV WRB PronType=Int 4 advmod _ _ 2 do do AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 aux _ _ 3 bridges bridge NOUN NNS Number=Plur 4 nsubj _ _ 4 have have VERB VB VerbForm=Inf 0 root _ _ 5 all all DET PDT PronType=Tot 7 det:predet _ _ 6 those that DET DT Number=Plur|PronType=Dem 7 det _ _ 7 triangles triangle NOUN NNS Number=Plur 4 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **have** | present · do-support | bridges | all triangles | | | | | vn birth-28.2-1 «NP V NP»: agent=Agent triangle=Patient | 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. ## The options {#options} ### Option 1 {#o1} Triangles look nice, but add no strength ```conllu # sent_id = question:world:86-building-strong-things:t10:o1:1 # text = Triangles look nice, but add no strength 1 Triangles triangle NOUN NNS Number=Plur 2 nsubj _ _ 2 look look VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 nice nice ADJ JJ Degree=Pos 2 xcomp _ SpaceAfter=No 4 , , PUNCT , _ 6 punct _ _ 5 but but CCONJ CC _ 6 cc _ _ 6 add add VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 2 conj _ _ 7 no no DET DT PronType=Neg 8 det _ _ 8 strength strength NOUN NN Number=Sing 6 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **look** | present | Triangles | | | | | nice *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus | | 2 | **add** *speech: assert* | present | Triangles *not said here* | no strength | | | | | vn mix-22.1-2 «NP V NP»: agent=Agent strength=Patient | ### Option 2 {#o2} Triangles use more steel, so they are heavier ```conllu # sent_id = question:world:86-building-strong-things:t10:o2:1 # text = Triangles use more steel, so they are heavier 1 Triangles triangle NOUN NNS Number=Plur 2 nsubj _ _ 2 use use VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 more more ADJ JJR Degree=Cmp 4 amod _ _ 4 steel steel NOUN NN Number=Sing 2 obj _ SpaceAfter=No 5 , , PUNCT , _ 9 punct _ _ 6 so so ADV RB _ 9 advmod _ _ 7 they they PRON PRP Case=Nom|Number=Plur|Person=3|PronType=Prs 9 nsubj _ _ 8 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 9 cop _ _ 9 heavier heavy ADJ JJR Degree=Cmp 2 advcl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **use** | present | Triangles | more steel | | | | | vn eat-39.1 «NP V NP»: agent=Agent steel=Patient | | 2 | **is** | present | Triangles *= triangle* | | | | | heavy *property* | tree rules | ### Option 3 {#o3} Triangles let the wind blow straight through ```conllu # sent_id = question:world:86-building-strong-things:t10:o3:1 # text = Triangles let the wind blow straight through 1 Triangles triangle NOUN NNS Number=Plur 2 nsubj _ _ 2 let let VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 wind wind NOUN NN Number=Sing 2 obj _ _ 5 blow blow VERB VB VerbForm=Inf 2 xcomp _ _ 6 straight straight ADV RB _ 7 advmod _ _ 7 through through ADV RB _ 5 advmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **let** | present | Triangles | the wind | | | | | tree rules | | 2 | **blow** | infinitive | the wind *not said here* | | | | | through *property* | vn split-23.2 «NP V apart»: agent=Patient | ### Option 4 · ← Mova's choice · ✓ the right answer {#o4} A triangle keeps its shape when pushed, so the frame is rigid ```conllu # sent_id = question:world:86-building-strong-things:t10:o4:1 # text = A triangle keeps its shape when pushed, so the frame is rigid 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 triangle triangle NOUN NN Number=Sing 3 nsubj _ _ 3 keeps keep VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 5 nmod:poss _ _ 5 shape shape NOUN NN Number=Sing 3 obj _ _ 6 when when SCONJ WRB _ 7 mark _ _ 7 pushed push VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 3 advcl _ SpaceAfter=No 8 , , PUNCT , _ 13 punct _ _ 9 so so ADV RB _ 13 advmod _ _ 10 the the DET DT Definite=Def|PronType=Art 11 det _ _ 11 frame frame NOUN NN Number=Sing 13 nsubj _ _ 12 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 13 cop _ _ 13 rigid rigid ADJ JJ Degree=Pos 3 conj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **keep** | present | a triangle | triangle's shape | | | | | vn keep-15.2 «NP V NP»: agent=Agent shape=Theme | | 2 | **push** | participle | a triangle *not said here* | | | | | | vn push-12-1-1 «NP V PP»: agent=Agent | | 3 | **is** | present | the frame | | | | | rigid *property* | tree rules | **Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License. - ← previous: [Building strong things: bridges, tower…, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/world/86-building-strong-things/t9/) - next →: [Building strong things: bridges, tower…, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/world/86-building-strong-things/t11/) - ↑ back to [Building strong things: bridges, towers and shapes](https://md.mova.elamur.ai/free/en/corpora/questions/world/86-building-strong-things/)