---
title: Ascertain the times of day at which many mosquitoes bite most. — Heat, sports gear and mosquitoes · tree and pragmatics
description: Ascertain the times of day at which many mosquitoes bite most. Exam question 4 of lesson 252 «Heat, sports gear and mosquitoes» of the everyday 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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# Exam question 4 · Heat, sports gear and mosquitoes

<!-- .ven lang=en -->
Ascertain the times of day at which many mosquitoes bite most.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you, many mosquitoes · **What happens:** ascertain, bite

<!-- .vabout -->
This is exam question 4 of lesson 252 «Heat, sports gear and mosquitoes» of the everyday course of Mova's primary school, asked in stiff, formal language. 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/everyday/252-heat-equipment-and-mosquitoes/#e4).

## The question {#question}

```conllu
# sent_id = question:everyday:252-heat-equipment-and-mosquitoes:e4:1
# text = Ascertain the times of day at which many mosquitoes bite most.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	times	time	NOUN	NNS	Number=Plur	1	obj	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	day	day	NOUN	NN	Number=Sing	3	nmod	_	_
6	at	at	ADP	IN	_	7	case	_	_
7	which	which	PRON	WDT	PronType=Rel	10	obl	_	_
8	many	many	ADJ	JJ	Degree=Pos	9	amod	_	_
9	mosquitoes	mosquito	NOUN	NNS	Number=Plur	10	nsubj	_	_
10	bite	bite	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
11	most	most	ADV	RBS	Degree=Sup	10	advmod	_	SpaceAfter=No
12	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* |  |  |  | time |  | vn discover-84 «NP V how S»: agent=Agent |
| 2 | **bite** | present | many mosquitoes |  |  |  | at day |  | vn swat-18.2 «NP V PP»: agent=Agent at which=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.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
At dusk and at dawn

```conllu
# sent_id = question:everyday:252-heat-equipment-and-mosquitoes:e4:o1:1
# text = At dusk and at dawn
1	At	at	ADP	IN	_	2	case	_	_
2	dusk	dusk	NOUN	NN	Number=Sing	0	root	_	_
3	and	and	CCONJ	CC	_	5	cc	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	dawn	dawn	NOUN	NN	Number=Sing	2	conj	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
Only at noon

```conllu
# sent_id = question:everyday:252-heat-equipment-and-mosquitoes:e4:o2:1
# text = Only at noon
1	Only	only	ADV	RB	_	3	advmod	_	_
2	at	at	ADP	IN	_	3	case	_	_
3	noon	noon	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
Only at midnight

```conllu
# sent_id = question:everyday:252-heat-equipment-and-mosquitoes:e4:o3:1
# text = Only at midnight
1	Only	only	ADV	RB	_	3	advmod	_	_
2	at	at	ADP	IN	_	3	case	_	_
3	midnight	midnight	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
Only during rain

```conllu
# sent_id = question:everyday:252-heat-equipment-and-mosquitoes:e4:o4:1
# text = Only during rain
1	Only	only	ADV	RB	_	3	advmod	_	_
2	during	during	ADP	IN	_	3	case	_	_
3	rain	rain	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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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: [Heat, sports gear and mosquitoes, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/252-heat-equipment-and-mosquitoes/e3/)
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