---
title: Some asteroids cross the Earth's orbit, and astronomers track tens o… — Asteroids and the asteroid belt · tree and pragmatics
description: Some asteroids cross the Earth's orbit, and astronomers track tens of thousands of these near-Earth objects to check whether any could hit us. Who acts: asteroids, astronomers, any. A sentence of the lesson «Asteroids and the asteroid belt» of the space course of Mova's primary school with its depen
---

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# Asteroids and the asteroid belt, sentence 13

<!-- .ven lang=en -->
Some asteroids cross the Earth's orbit, and astronomers track tens of thousands of these near-Earth objects to check whether any could hit us.

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**Who acts:** asteroids, astronomers, any · **What happens:** cross, track, check, hit · **To what, where:** orbit, tens, us

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This is a sentence of the lesson «Asteroids and the asteroid belt» of the space course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (asteroids, astronomers, any), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:009-asteroids-and-the-asteroid-belt.lesson:13
# text = Some asteroids cross the Earth's orbit, and astronomers track tens of thousands of these near-Earth objects to check whether any could hit us.
# source = school lesson (ours)
# course = space
# lesson = 009-asteroids-and-the-asteroid-belt.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3
1	Some	some	DET	DT	PronType=Ind	2	det	_	_
2	asteroids	asteroid	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	cross	cross	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Earth	Earth	PROPN	NNP	Number=Sing	7	nmod:poss	_	_
6	's	's	PART	POS	_	5	case	_	_
7	orbit	orbit	NOUN	NN	Number=Sing	3	obj	_	_
8	,	,	PUNCT	,	_	11	punct	_	_
9	and	and	CCONJ	CC	_	11	cc	_	_
10	astronomers	astronomer	NOUN	NNS	Number=Plur	11	nsubj	_	_
11	track	track	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
12	tens	ten	NOUN	NNS	Number=Plur	11	obj	_	_
13	of	of	ADP	IN	_	14	case	_	_
14	thousands	thousand	NOUN	NNS	Number=Plur	12	nmod	_	_
15	of	of	ADP	IN	_	20	case	_	_
16	these	this	DET	DT	Number=Plur|PronType=Dem	20	det	_	_
17	near	near	ADJ	JJ	Degree=Pos	19	amod	_	Agree=R5-strong|Haiku=20:amod
18	-	-	PUNCT	HYPH	_	17	punct	_	_
19	Earth	Earth	PROPN	NNP	Number=Sing	20	compound	_	_
20	objects	object	NOUN	NNS	Number=Plur	14	nmod	_	Agree=R5-strong|Haiku=12:nmod
21	to	to	PART	TO	_	22	mark	_	_
22	check	check	VERB	VB	VerbForm=Inf	11	advcl	_	Agree=R5-strong|Haiku=20:acl
23	whether	whether	SCONJ	IN	_	26	mark	_	_
24	any	any	DET	DT	PronType=Ind	26	nsubj	_	_
25	could	could	AUX	MD	VerbForm=Fin	26	aux	_	_
26	hit	hit	VERB	VB	VerbForm=Inf	22	ccomp	_	_
27	us	we	PRON	PRP	Case=Acc|Number=Plur|Person=1|PronType=Prs	26	obj	_	_
28	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cross** | present | some asteroids | the Earth's orbit |  |  |  |  | vn crane-40.3.2 «NP V NP»: agent=Agent orbit=Patient |
| 2 | **track** | present | astronomers | tens of thousands of this Earth objects |  |  |  |  | vn stalk-35.3 «NP V NP»: agent=Agent ten=Theme |
| 3 | **check** | to-infinitive | astronomers *not said here* |  |  |  |  |  | tree rules |
| 4 | **hit** | could | any | us |  |  |  |  | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme we=Co-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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:space:009-asteroids-and-the-asteroid-belt.lesson:13`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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