---
title: Mixing up b and d is very common up to about seven, because they are… — Handwriting: holding the pencil and joining up · tree and pragmatics
description: Mixing up b and d is very common up to about seven, because they are mirror images and the brain is still learning that direction matters for letters. Who acts: Mixing, b, brain, direction. A sentence of the lesson «Handwriting: holding the pencil and joining up» of the english course of Mova's prim
---

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# Handwriting: holding the pencil and joining up, sentence 10

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Mixing up b and d is very common up to about seven, because they are mirror images and the brain is still learning that direction matters for letters.

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**Who acts:** Mixing, b, brain, direction · **What happens:** mix up, be, learn, matter · **To what, where:** b, mirror images · **Speech:** someone speaks here

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This is a sentence of the lesson «Handwriting: holding the pencil and joining up» of the english 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 (Mixing, b, brain, direction), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:english:005-handwriting-holding-the-pencil-and-joining-up.lesson:10
# text = Mixing up b and d is very common up to about seven, because they are mirror images and the brain is still learning that direction matters for letters.
# source = school lesson (ours)
# course = english
# lesson = 005-handwriting-holding-the-pencil-and-joining-up.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): R7-rel-agree ×1
1	Mixing	mix	VERB	VBG	Tense=Pres|VerbForm=Part	8	csubj	_	_
2	up	up	ADP	RP	_	1	compound:prt	_	_
3	b	b	NOUN	NN	Number=Sing	1	obj	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	d	d	NOUN	NN	Number=Sing	3	conj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
7	very	very	ADV	RB	_	8	advmod	_	_
8	common	common	ADJ	JJ	Degree=Pos	0	root	_	_
9	up	up	ADP	IN	_	12	case	_	_
10	to	to	ADP	IN	_	9	fixed	_	_
11	about	about	ADV	RB	_	12	advmod	_	_
12	seven	seven	NUM	CD	NumForm=Word|NumType=Card	8	obl	_	_
13	,	,	PUNCT	,	_	18	punct	_	_
14	because	because	SCONJ	IN	_	18	mark	_	_
15	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	18	nsubj	_	_
16	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	18	cop	_	_
17	mirror	mirror	NOUN	NN	Number=Sing	18	compound	_	_
18	images	image	NOUN	NNS	Number=Plur	8	advcl	_	_
19	and	and	CCONJ	CC	_	24	cc	_	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
21	brain	brain	NOUN	NN	Number=Sing	24	nsubj	_	_
22	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	aux	_	_
23	still	still	ADV	RB	_	24	advmod	_	_
24	learning	learn	VERB	VBG	Tense=Pres|VerbForm=Part	18	conj	_	_
25	that	that	SCONJ	IN	_	27	mark	_	Agree=R7-rel-agree|Haiku=27:det|HaikuPos=DET:DT:Number=Sing|PronType=Dem
26	direction	direction	NOUN	NN	Number=Sing	27	nsubj	_	_
27	matters	matter	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	ccomp	_	_
28	for	for	ADP	IN	_	29	case	_	_
29	letters	letter	NOUN	NNS	Number=Plur	27	obl	_	_
30	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- 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 | **mix up** | gerund |  | b and d |  |  |  |  | vn mix-22.1-1-1 «NP V NP»: agent=Agent b=Patient |
| 2 | **is** | present | Mixing |  |  |  |  | up seven; common *property* | tree rules |
| 3 | **is a** | present | b | mirror images |  |  |  |  | tree rules |
| 4 | **learn** | present · progressive | the brain |  |  |  | still |  | vn learn-14-2-1 «NP V that S»: agent=Agent clause=Topic |
| 5 | **matter** | present | direction |  |  |  |  | for letters | vn matter-91 «NP V»: agent=Stimulus |

<!-- .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:english:005-handwriting-holding-the-pencil-and-joining-up.lesson:10`.

**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): R7-rel-agree ×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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