---
title: riverbed — school dictionary · trees and pragmatics
description: «riverbed» in the school dictionary: A riverbed is the bottom of a river, the ground the river water flows over. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# riverbed

<!-- .vintro -->
**Who acts:** riverbed, river water, Fish, We, dry riverbed, They · **What happens:** be, flow over, cover, dry up, lay, see · **To what, where:** bottom, ground, riverbed, eggs, gravel, clear water

<!-- .vabout -->
«riverbed» in the school dictionary: its meaning for a pupil and its 6 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: [riverbed in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/riverbed.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A riverbed is the bottom of a river, the ground the river water flows over.

<!-- fold The tree, 15 words -->
```conllu
# sent_id = dict:school:riverbed:m1:1
# text = A riverbed is the bottom of a river, the ground the river water flows over.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	riverbed	riverbed	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	bottom	bottom	NOUN	NN	Number=Sing	0	root	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	river	river	NOUN	NN	Number=Sing	5	nmod	_	SpaceAfter=No
9	,	,	PUNCT	,	_	11	punct	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	ground	ground	NOUN	NN	Number=Sing	15	obl	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
13	river	river	NOUN	NN	Number=Sing	14	compound	_	_
14	water	water	NOUN	NN	Number=Sing	15	nsubj	_	_
15	flows	flow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
16	over	over	ADV	RB	_	15	advmod	_	SpaceAfter=No
17	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a riverbed | the bottom |  |  |  | of a river | tree rules |
| 2 | **flow over** | present | the river water | the ground |  |  |  | over *property* | vn appear-48.1.1 «PP.location V NP»: agent=Location bottom=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.

## Example 1 {#x1}

<!-- .ven lang=en -->
The riverbed was covered with smooth stones.

```conllu
# sent_id = dict:school:riverbed:x1:1
# text = The riverbed was covered with smooth stones.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	riverbed	riverbed	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	aux:pass	_	_
4	covered	cover	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	with	with	ADP	IN	_	7	case	_	_
6	smooth	smooth	ADJ	JJ	Degree=Pos	7	amod	_	_
7	stones	stone	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cover** | past · passive |  | the riverbed |  |  |  | with smooth stones | vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination with stone=Theme |

## Example 2 {#x2}

<!-- .ven lang=en -->
In summer the riverbed dried up.

```conllu
# sent_id = dict:school:riverbed:x2:1
# text = In summer the riverbed dried up.
1	In	in	ADP	IN	_	2	case	_	_
2	summer	summer	NOUN	NN	Number=Sing	5	obl	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	riverbed	riverbed	NOUN	NN	Number=Sing	5	nsubj	_	_
5	dried	dry	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	up	up	ADP	RP	_	5	compound:prt	_	SpaceAfter=No
7	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dry up** | participle | the riverbed |  |  |  | summer |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

## Example 3 {#x3}

<!-- .ven lang=en -->
Fish lay their eggs on the gravel of the riverbed.

```conllu
# sent_id = dict:school:riverbed:x3:1
# text = Fish lay their eggs on the gravel of the riverbed.
1	Fish	fish	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	lay	lay	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	eggs	egg	NOUN	NNS	Number=Plur	2	obj	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	gravel	gravel	NOUN	NN	Number=Sing	2	obl	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	riverbed	riverbed	NOUN	NN	Number=Sing	7	nmod	_	SpaceAfter=No
11	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lay** | present | Fish | Fish's eggs |  | the gravel of the riverbed |  |  | vn put\_spatial-9.2 «NP V NP PP.destination»: agent=Agent egg=Theme on gravel=Destination |

## Example 4 {#x4}

<!-- .ven lang=en -->
We could see the riverbed through the clear water.

```conllu
# sent_id = dict:school:riverbed:x4:1
# text = We could see the riverbed through the clear water.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	3	nsubj	_	_
2	could	could	AUX	MD	VerbForm=Fin	3	aux	_	_
3	see	see	VERB	VB	VerbForm=Inf	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	riverbed	riverbed	NOUN	NN	Number=Sing	3	obj	_	_
6	through	through	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	clear	clear	ADJ	JJ	Degree=Pos	9	amod	_	_
9	water	water	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **see** | could | We | the riverbed |  | the clear water |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer riverbed=Stimulus |

## Example 5 {#x5}

<!-- .ven lang=en -->
A dry riverbed can flood very fast after a storm.

```conllu
# sent_id = dict:school:riverbed:x5:1
# text = A dry riverbed can flood very fast after a storm.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	dry	dry	ADJ	JJ	Degree=Pos	3	amod	_	_
3	riverbed	riverbed	NOUN	NN	Number=Sing	5	nsubj	_	_
4	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
5	flood	flood	VERB	VB	VerbForm=Inf	0	root	_	_
6	very	very	ADV	RB	_	7	advmod	_	_
7	fast	fast	ADV	RB	Degree=Pos	5	advmod	_	_
8	after	after	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	storm	storm	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **flood** | can | a dry riverbed |  |  |  | after a storm | fast *property* | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

## Example 6 {#x6}

<!-- .ven lang=en -->
They found an old coin in the riverbed.

```conllu
# sent_id = dict:school:riverbed:x6:1
# text = They found an old coin in the riverbed.
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	found	find	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	an	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	old	old	ADJ	JJ	Degree=Pos	5	amod	_	_
5	coin	coin	NOUN	NN	Number=Sing	2	obj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	riverbed	riverbed	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | past | They | a old coin |  | the riverbed |  |  | vn discover-84 «NP V NP»: agent=Agent coin=Topic |

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**Text:** the school dictionary of Mova's schools (`world/data/dictionary-schools/`), written for Mova. **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 meaning and example read on its own. Elamur Cosmic License.

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