---
title: why'd i fly forward when the bus braked hard — Pushes, pulls, friction and wheels · tree and pragmatics
description: why'd i fly forward when the bus braked hard Test 11 · ★ of lesson 85 «Pushes, pulls, friction and wheels» 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.
---

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# Test 11 · ★ · Pushes, pulls, friction and wheels

<!-- .ven lang=en -->
why'd i fly forward when the bus braked hard

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** i, bus · **What happens:** fly, brake

<!-- .vabout -->
This is test 11 · ★ of lesson 85 «Pushes, pulls, friction and wheels» 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/85-pushes-pulls-friction-wheels/#t11).

## The question {#question}

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t11:1
# text = why'd i fly forward when the bus braked hard
1	why	why	ADV	WRB	PronType=Int	4	advmod	_	SpaceAfter=No
2	'd	'd	PUNCT	``	_	4	punct	_	_
3	i	I	PRON	PRP	Case=Nom|Number=Sing|Person=1|PronType=Prs	4	nsubj	_	_
4	fly	fly	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
5	forward	forward	ADV	RB	_	4	advmod	_	_
6	when	when	ADV	WRB	PronType=Int	9	advmod	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	bus	bus	NOUN	NN	Number=Sing	9	nsubj	_	_
9	braked	brake	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	advcl	_	_
10	hard	hard	ADV	RB	Degree=Pos	9	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fly** | present | i |  |  |  |  | forward *property* | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |
| 2 | **brake** | past | the bus |  |  |  |  | hard *property* | tree rules |

<!-- .note -->
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 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Your body keeps moving forwards when the bus stops

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t11:o1:1
# text = Your body keeps moving forwards when the bus stops
1	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	body	body	NOUN	NN	Number=Sing	3	nsubj	_	_
3	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	moving	move	VERB	VBG	VerbForm=Ger	3	xcomp	_	_
5	forwards	forwards	ADV	RB	_	4	advmod	_	_
6	when	when	ADV	WRB	PronType=Int	9	advmod	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	bus	bus	NOUN	NN	Number=Sing	9	nsubj	_	_
9	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | Your body |  |  |  |  |  | tree rules |
| 2 | **move** | gerund | Your body *not said here* |  |  |  |  | forwards *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **stop** | present | the bus |  |  |  |  |  | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality |

### Option 2 {#o2}

<!-- .ven lang=en -->
The bus pushed you forwards really hard as it braked

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t11:o2:1
# text = The bus pushed you forwards really hard as it braked
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	bus	bus	NOUN	NN	Number=Sing	3	nsubj	_	_
3	pushed	push	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	3	obj	_	_
5	forwards	forwards	ADV	RB	_	3	advmod	_	_
6	really	really	ADV	RB	_	7	advmod	_	_
7	hard	hard	ADJ	JJ	Degree=Pos	3	advcl	_	_
8	as	as	SCONJ	IN	_	10	mark	_	_
9	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	_
10	braked	brake	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	7	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **push** | past | the bus | you |  |  |  | forwards *property* | vn carry-11.4-1-1 «NP V NP»: agent=Agent you=Theme |
| 2 | **brake** | past | bus |  |  |  |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
The air in the bus blew you forwards

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t11:o3:1
# text = The air in the bus blew you forwards
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	air	air	NOUN	NN	Number=Sing	6	nsubj	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	bus	bus	NOUN	NN	Number=Sing	2	nmod	_	_
6	blew	blow	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
7	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	6	obj	_	_
8	forwards	forwards	ADV	RB	_	6	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **blow** | past | the air in the bus | you |  |  |  | forwards *property* | vn split-23.2 «NP V NP apart»: agent=Agent you=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Gravity pulled you towards the front

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t11:o4:1
# text = Gravity pulled you towards the front
1	Gravity	gravity	NOUN	NN	Number=Sing	2	nsubj	_	_
2	pulled	pull	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	2	obj	_	_
4	towards	towards	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	front	front	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pull** | past | Gravity | you |  | the front |  |  | vn carry-11.4 «NP V NP PP.destination»: agent=Agent you=Theme towards front=Destination |

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**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.

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- ← previous: [Pushes, pulls, friction and wheels, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/world/85-pushes-pulls-friction-wheels/t10/)
- next →: [Pushes, pulls, friction and wheels, test 12](https://md.mova.elamur.ai/free/en/corpora/questions/world/85-pushes-pulls-friction-wheels/t12/)
- ↑ back to [Pushes, pulls, friction and wheels](https://md.mova.elamur.ai/free/en/corpora/questions/world/85-pushes-pulls-friction-wheels/)

