---
title: Big rockets are built in stages, and each empty stage drops away to… — Rockets, satellites and astronauts · tree and pragmatics
description: Big rockets are built in stages, and each empty stage drops away to make the rocket lighter. Who acts: empty stage. A sentence of the lesson «Rockets, satellites and astronauts» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Rockets, satellites and astronauts, sentence 3

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Big rockets are built in stages, and each empty stage drops away to make the rocket lighter.

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**Who acts:** empty stage · **What happens:** build, drop away, make · **To what, where:** Big rockets, stages, rocket

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This is a sentence of the lesson «Rockets, satellites and astronauts» of the world 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 (empty stage), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:071-rockets-satellites-astronauts.lesson:3
# text = Big rockets are built in stages, and each empty stage drops away to make the rocket lighter.
# source = school lesson (ours)
# course = world
# lesson = 071-rockets-satellites-astronauts.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): R2-punct-next ×1
1	Big	big	ADJ	JJ	Degree=Pos	2	amod	_	_
2	rockets	rocket	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	built	build	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	stages	stage	NOUN	NNS	Number=Plur	4	obl	_	_
7	,	,	PUNCT	,	_	12	punct	_	Agree=R2-punct-next|Haiku=4:punct
8	and	and	CCONJ	CC	_	12	cc	_	_
9	each	each	DET	DT	PronType=Tot	11	det	_	_
10	empty	empty	ADJ	JJ	Degree=Pos	11	amod	_	_
11	stage	stage	NOUN	NN	Number=Sing	12	nsubj	_	_
12	drops	drop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
13	away	away	ADV	RB	_	12	advmod	_	_
14	to	to	PART	TO	_	15	mark	_	_
15	make	make	VERB	VB	VerbForm=Inf	12	advcl	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	rocket	rocket	NOUN	NN	Number=Sing	15	obj	_	_
18	lighter	light	ADJ	JJR	Degree=Cmp	15	xcomp	_	_
19	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **build** | present · passive |  | Big rockets |  | stages |  |  | vn build-26.1-1 «NP.asset V NP»: subject=Product |
| 2 | **drop away** | present | each empty stage |  |  |  |  | away *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **make** | to-infinitive | each empty stage *not said here* | the rocket |  |  |  | light *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset rocket=Product |

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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:world:071-rockets-satellites-astronauts.lesson:3`.

**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): R2-punct-next ×1. **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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