---
title: The oceans have two high tides and two low tides roughly every day,… — Phases, eclipses and tides · tree and pragmatics
description: The oceans have two high tides and two low tides roughly every day, caused mainly by the Moon's gravity. Who acts: oceans. A sentence of the lesson «Phases, eclipses and tides» of the space course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Phases, eclipses and tides, sentence 14

<!-- .ven lang=en -->
The oceans have two high tides and two low tides roughly every day, caused mainly by the Moon's gravity.

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**Who acts:** oceans · **What happens:** have, cause · **To what, where:** two high tides

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This is a sentence of the lesson «Phases, eclipses and tides» 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 (oceans), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:space:007-phases-eclipses-and-tides.lesson:14
# text = The oceans have two high tides and two low tides roughly every day, caused mainly by the Moon's gravity.
# source = school lesson (ours)
# course = space
# lesson = 007-phases-eclipses-and-tides.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	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	oceans	ocean	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	two	two	NUM	CD	NumForm=Word|NumType=Card	6	nummod	_	_
5	high	high	ADJ	JJ	Degree=Pos	6	amod	_	_
6	tides	tide	NOUN	NNS	Number=Plur	3	obj	_	_
7	and	and	CCONJ	CC	_	10	cc	_	_
8	two	two	NUM	CD	NumForm=Word|NumType=Card	10	nummod	_	_
9	low	low	ADJ	JJ	Degree=Pos	10	amod	_	_
10	tides	tide	NOUN	NNS	Number=Plur	6	conj	_	_
11	roughly	roughly	ADV	RB	_	13	advmod	_	_
12	every	every	DET	DT	PronType=Tot	13	det	_	_
13	day	day	NOUN	NN	Number=Sing	10	obl:unmarked	_	_
14	,	,	PUNCT	,	_	15	punct	_	_
15	caused	cause	VERB	VBN	Tense=Past|VerbForm=Part	6	acl	_	_
16	mainly	mainly	ADV	RB	_	15	advmod	_	_
17	by	by	ADP	IN	_	21	case	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	Moon	Moon	PROPN	NNP	Number=Sing	21	nmod:poss	_	_
20	's	's	PART	POS	_	19	case	_	_
21	gravity	gravity	NOUN	NN	Number=Sing	15	obl	_	_
22	.	.	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 | **have** | present | the oceans | two high tides and two low tides |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent tide=Patient |
| 2 | **cause** | participle |  | two high tides and two low tides *not said here* |  |  |  | by the Moon's gravity; mainly *property* | vn result-27.2 «NP V PP»: agent=Precondition |

<!-- .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:007-phases-eclipses-and-tides.lesson:14`.

**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/).

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- ← previous: [Phases, eclipses and tides, 13](https://md.mova.elamur.ai/free/en/corpora/school/space/7-phases-eclipses-and-tides/13/)
- next →: [Phases, eclipses and tides, 15](https://md.mova.elamur.ai/free/en/corpora/school/space/7-phases-eclipses-and-tides/15/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/space/7-phases-eclipses-and-tides/)