---
title: What would happen to waves on a lake if there were no wind at all fo… — Rivers, lakes and the sea up close · tree and pragmatics
description: What would happen to waves on a lake if there were no wind at all for a long time? Test 8 of lesson 64 «Rivers, lakes and the sea up close» 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 wrong.
---

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# Test 8 · Rivers, lakes and the sea up close

<!-- .ven lang=en -->
What would happen to waves on a lake if there were no wind at all for a long time?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** wind · **What happens:** happen, be · **To what, where:** lake

<!-- .vabout -->
This is test 8 of lesson 64 «Rivers, lakes and the sea up close» 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/64-rivers-lakes-and-the-sea/#t8).

## The question {#question}

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t8:1
# text = What would happen to waves on a lake if there were no wind at all for a long time?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	5	case	_	_
5	waves	wave	NOUN	NNS	Number=Plur	3	obl	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	lake	lake	NOUN	NN	Number=Sing	3	obl	_	_
9	if	if	SCONJ	IN	_	11	mark	_	_
10	there	there	PRON	EX	PronType=Dem	11	expl	_	_
11	were	be	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	advcl	_	_
12	no	no	DET	DT	PronType=Neg	13	det	_	_
13	wind	wind	NOUN	NN	Number=Sing	11	nsubj	_	_
14	at	at	ADP	IN	_	15	case	_	_
15	all	all	DET	DT	PronType=Tot	13	nmod	_	_
16	for	for	ADP	IN	_	19	case	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
18	long	long	ADJ	JJ	Degree=Pos	19	amod	_	_
19	time	time	NOUN	NN	Number=Sing	15	nmod	_	SpaceAfter=No
20	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  | a lake |  | to waves | vn occur-48.3-1 «NP V PP»: agent=Theme on lake=Location |
| 2 | **be** *a condition, not said to happen* | past | no wind at all |  |  | there |  |  | vn exist-47.1 «NP V»: agent=Theme |

<!-- .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 {#o1}

<!-- .ven lang=en -->
The waves would grow bigger

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t8:o1:1
# text = The waves would grow bigger
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	waves	wave	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	grow	grow	VERB	VB	VerbForm=Inf	0	root	_	_
5	bigger	big	ADJ	JJR	Degree=Cmp	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | would | the waves |  |  |  |  | big *property* | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
The water would turn salty

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t8:o2:1
# text = The water would turn salty
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	water	water	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	turn	turn	VERB	VB	VerbForm=Inf	0	root	_	_
5	salty	salty	ADJ	JJ	Degree=Pos	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | would | the water |  |  |  |  | salty *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The surface would become very calm

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t8:o3:1
# text = The surface would become very calm
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	surface	surface	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	become	become	VERB	VB	VerbForm=Inf	0	root	_	_
5	very	very	ADV	RB	_	6	advmod	_	_
6	calm	calm	ADJ	JJ	Degree=Pos	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **become** | would | the surface |  |  |  |  | calm *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The lake would freeze

```conllu
# sent_id = question:world:64-rivers-lakes-and-the-sea:t8:o4:1
# text = The lake would freeze
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	lake	lake	NOUN	NN	Number=Sing	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	freeze	freeze	VERB	VB	VerbForm=Inf	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **freeze** | would | the lake |  |  |  |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

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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: [Rivers, lakes and the sea up close, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/world/64-rivers-lakes-and-the-sea/t7/)
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