---
title: how do birds chew if they got no teeth — Birds: feathers, nests and flight · tree and pragmatics
description: how do birds chew if they got no teeth Test 11 · ★ of lesson 73 «Birds: feathers, nests and flight» 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 · ★ · Birds: feathers, nests and flight

<!-- .ven lang=en -->
how do birds chew if they got no teeth

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** birds · **What happens:** chew, get · **To what, where:** teeth

<!-- .vabout -->
This is test 11 · ★ of lesson 73 «Birds: feathers, nests and flight» 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/73-birds-feathers-nests-flight/#t11).

## The question {#question}

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t11:1
# text = how do birds chew if they got no teeth
1	how	how	ADV	WRB	PronType=Int	4	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	birds	bird	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	chew	chew	VERB	VB	VerbForm=Inf	0	root	_	_
5	if	if	SCONJ	IN	_	7	mark	_	_
6	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	7	nsubj	_	_
7	got	get	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	4	advcl	_	_
8	no	no	DET	DT	PronType=Neg	9	det	_	_
9	teeth	tooth	NOUN	NNS	Number=Plur	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **chew** | present · do-support | birds |  |  |  |  |  | vn chew-39.2 «NP V»: agent=Agent |
| 2 | **get** *a condition, not said to happen* | past | birds *= bird* | no teeth |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer tooth=Stimulus |

<!-- .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 -->
A muscly part of the stomach, the gizzard, grinds the food

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t11:o1:1
# text = A muscly part of the stomach, the gizzard, grinds the food
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	muscly	muscly	ADJ	JJ	_	3	amod	_	_
3	part	part	NOUN	NN	Number=Sing	11	nsubj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	stomach	stomach	NOUN	NN	Number=Sing	3	nmod	_	SpaceAfter=No
7	,	,	PUNCT	,	_	9	punct	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	gizzard	gizzard	NOUN	NN	Number=Sing	6	conj	_	SpaceAfter=No
10	,	,	PUNCT	,	_	3	punct	_	_
11	grinds	grind	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	food	food	NOUN	NN	Number=Sing	11	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grind** | present | a muscly part of the stomach and the gizzard | the food |  |  |  |  | vn carve-21.2-1 «NP V NP»: agent=Agent food=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
They chew with hard ridges on their tongue

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t11:o2:1
# text = They chew with hard ridges on their tongue
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	chew	chew	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	with	with	ADP	IN	_	5	case	_	_
4	hard	hard	ADJ	JJ	Degree=Pos	5	amod	_	_
5	ridges	ridge	NOUN	NNS	Number=Plur	2	obl	_	_
6	on	on	ADP	IN	_	8	case	_	_
7	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	tongue	tongue	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **chew** | present | They |  |  |  |  | with hard ridges; on ridges's tongue | vn chew-39.2 «NP V PP»: agent=Agent on tongue=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
They only eat soft food like nectar and worms that needs no chewing

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t11:o3:1
# text = They only eat soft food like nectar and worms that needs no chewing
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	only	only	ADV	RB	_	3	advmod	_	_
3	eat	eat	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	soft	soft	ADJ	JJ	Degree=Pos	5	amod	_	_
5	food	food	NOUN	NN	Number=Sing	3	obj	_	_
6	like	like	ADP	IN	_	7	case	_	_
7	nectar	nectar	NOUN	NN	Number=Sing	3	obl	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	worms	worm	NOUN	NNS	Number=Plur	7	conj	_	_
10	that	that	PRON	WDT	PronType=Rel	11	nsubj	_	_
11	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	_
12	no	no	DET	DT	PronType=Neg	13	det	_	_
13	chewing	chewing	NOUN	NN	Number=Sing	11	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | present | They | soft food |  |  |  | like nectar and worms | vn eat-39.1-1 «NP V NP»: agent=Agent food=Patient |
| 2 | **need** | present | nectar and worms | no chewing |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot chewing=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Their beaks have tiny teeth too small to see

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t11:o4:1
# text = Their beaks have tiny teeth too small to see
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	beaks	beak	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	tiny	tiny	ADJ	JJ	Degree=Pos	5	amod	_	_
5	teeth	tooth	NOUN	NNS	Number=Plur	3	obj	_	_
6	too	too	ADV	RB	_	7	advmod	_	_
7	small	small	ADJ	JJ	Degree=Pos	5	amod	_	_
8	to	to	PART	TO	_	9	mark	_	_
9	see	see	VERB	VB	VerbForm=Inf	7	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Their beaks | tiny teeth |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent tooth=Patient |
| 2 | **see** | to-infinitive | Their beaks *not said here* |  |  |  |  |  | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |

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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.

<!-- /div -->

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- ← previous: [Birds: feathers, nests and flight, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/world/73-birds-feathers-nests-flight/t10/)
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