---
title: This is called hydraulics. — Diggers, cranes and cement mixers · tree and pragmatics
description: This is called hydraulics. A sentence of the lesson «Diggers, cranes and cement mixers» of the technology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/28-diggers-cranes-and-cement-mixers/4/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/) / [Diggers, cranes and cement mixers](https://md.mova.elamur.ai/free/en/corpora/school/technology/28-diggers-cranes-and-cement-mixers/) / 4

# Diggers, cranes and cement mixers, sentence 4

<!-- .ven lang=en -->
This is called hydraulics.

<!-- .vintro -->
**What happens:** call · **To what, where:** This · **Speech:** someone speaks here

<!-- .vabout -->
This is a sentence of the lesson «Diggers, cranes and cement mixers» of the technology 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: what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:028-diggers-cranes-and-cement-mixers.lesson:4
# text = This is called hydraulics.
# source = school lesson (ours)
# course = technology
# lesson = 028-diggers-cranes-and-cement-mixers.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): no change
1	This	this	PRON	DT	Number=Sing|PronType=Dem	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	called	call	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	hydraulics	hydraulics	NOUN	NNS	Number=Plur	3	xcomp	_	_
5	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **call** | present · passive |  | This |  |  |  |  | vn initiate\_communication-37.4.2-1 «NP V NP.recipient»: subject=Recipient |

<!-- .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.

<!-- div src -->

**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:technology:028-diggers-cranes-and-cement-mixers.lesson:4`.

**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): no change. **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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Diggers, cranes and cement mixers, 3](https://md.mova.elamur.ai/free/en/corpora/school/technology/28-diggers-cranes-and-cement-mixers/3/)
- next →: [Diggers, cranes and cement mixers, 5](https://md.mova.elamur.ai/free/en/corpora/school/technology/28-diggers-cranes-and-cement-mixers/5/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/technology/28-diggers-cranes-and-cement-mixers/)