---
title: A house has solar panels. Why might the family want a home battery t… — Batteries · tree and pragmatics
description: A house has solar panels. Why might the family want a home battery too? Test 11 · ★ of lesson 34 «Batteries» of the technology 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 11 · ★ · Batteries

<!-- .ven lang=en -->
A house has solar panels. Why might the family want a home battery too?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** house, family · **What happens:** have, want · **To what, where:** solar panels, home battery

<!-- .vabout -->
This is test 11 · ★ of lesson 34 «Batteries» of the technology 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/technology/34-batteries/#t11).

## The question {#question}

<!-- .note -->
*Sentence 1:* A house has solar panels.

```conllu
# sent_id = question:technology:34-batteries:t11:1
# text = A house has solar panels.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	house	house	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	solar	solar	ADJ	JJ	Degree=Pos	5	amod	_	_
5	panels	panel	NOUN	NNS	Number=Plur	3	obj	_	SpaceAfter=No
6	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a house | solar panels |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent panel=Patient |

<!-- .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.

<!-- .note -->
*Sentence 2:* Why might the family want a home battery too?

```conllu
# sent_id = question:technology:34-batteries:t11:2
# text = Why might the family want a home battery too?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	might	might	AUX	MD	VerbForm=Fin	5	aux	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	family	family	NOUN	NN	Number=Sing	5	nsubj	_	_
5	want	want	VERB	VB	VerbForm=Inf	0	root	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	home	home	NOUN	NN	Number=Sing	8	compound	_	_
8	battery	battery	NOUN	NN	Number=Sing	5	obj	_	_
9	too	too	ADV	RB	_	5	advmod	_	SpaceAfter=No
10	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **want** | might | the family | a home battery |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot battery=Theme |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
To make the panels keep working at night in the dark

```conllu
# sent_id = question:technology:34-batteries:t11:o1:1
# text = To make the panels keep working at night in the dark
1	To	to	PART	TO	_	2	mark	_	_
2	make	make	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	panels	panel	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	ccomp	_	_
6	working	work	VERB	VBG	VerbForm=Ger	5	xcomp	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	night	night	NOUN	NN	Number=Sing	6	obl	_	_
9	in	in	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	dark	dark	NOUN	NN	Number=Sing	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | to-infinitive |  |  |  |  |  |  | tree rules |
| 2 | **keep** | present | the panels |  |  |  |  |  | tree rules |
| 3 | **work** | gerund | the panels *not said here* |  |  |  | night | in the dark | vn employment-95.3 «NP V PP.theme»: agent=Agent in dark=Theme |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
To use the sunshine's electricity in the evening

```conllu
# sent_id = question:technology:34-batteries:t11:o2:1
# text = To use the sunshine's electricity in the evening
1	To	to	PART	TO	_	2	mark	_	_
2	use	use	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	sunshine	sunshine	NOUN	NN	Number=Sing	6	nmod:poss	_	SpaceAfter=No
5	's	's	PART	POS	_	4	case	_	_
6	electricity	electricity	NOUN	NN	Number=Sing	2	obj	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	evening	evening	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | to-infinitive |  | the sunshine's electricity |  |  | evening |  | vn eat-39.1 «NP V NP»: agent=Agent electricity=Patient |
| 2 | **electrify** |  | the sunshine |  |  |  |  |  | nom electricity «phenomenon transitive»: poss=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
To stop the panels getting dirty from rain and bird mess

```conllu
# sent_id = question:technology:34-batteries:t11:o3:1
# text = To stop the panels getting dirty from rain and bird mess
1	To	to	PART	TO	_	2	mark	_	_
2	stop	stop	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	panels	panel	NOUN	NNS	Number=Plur	2	obj	_	_
5	getting	get	VERB	VBG	VerbForm=Ger	2	xcomp	_	_
6	dirty	dirty	ADJ	JJ	Degree=Pos	5	xcomp	_	_
7	from	from	ADP	IN	_	8	case	_	_
8	rain	rain	NOUN	NN	Number=Sing	5	obl	_	_
9	and	and	CCONJ	CC	_	11	cc	_	_
10	bird	bird	NOUN	NN	Number=Sing	11	compound	_	_
11	mess	mess	NOUN	NN	Number=Sing	8	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | to-infinitive |  | the panels |  |  |  |  | tree rules |
| 2 | **get** | gerund |  |  |  | rain and bird mess |  | dirty *property* | vn escape-51.1 «NP V PP.destination»: agent=Theme from rain=Destination |

### Option 4 {#o4}

<!-- .ven lang=en -->
To sell the battery later for more than they paid for it

```conllu
# sent_id = question:technology:34-batteries:t11:o4:1
# text = To sell the battery later for more than they paid for it
1	To	to	PART	TO	_	2	mark	_	_
2	sell	sell	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	battery	battery	NOUN	NN	Number=Sing	2	obj	_	_
5	later	late	ADV	RBR	Degree=Cmp	2	advmod	_	_
6	for	for	ADP	IN	_	7	case	_	_
7	more	more	ADJ	JJR	Degree=Cmp	2	obl	_	_
8	than	than	SCONJ	IN	_	10	mark	_	_
9	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	_	_
10	paid	pay	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	7	advcl	_	_
11	for	for	ADP	IN	_	12	case	_	_
12	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sell** | to-infinitive |  | the battery |  |  |  | for more; late *property* | vn give-13.1-1 «NP V NP PP.asset»: agent=Agent battery=Theme for more=Asset |
| 2 | **pay** | past | they |  |  |  |  | for battery | vn pay-68-1 «NP V NP PP.theme»: agent=Agent for it=Theme |

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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: [Batteries, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/technology/34-batteries/t10/)
- next →: [Batteries, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/technology/34-batteries/e1/)
- ↑ back to [Batteries](https://md.mova.elamur.ai/free/en/corpora/questions/technology/34-batteries/)