---
title: Compound interest is interest on interest: at 10%, £100 becomes £110… — Interest on savings and cash machines · tree and pragmatics
description: Compound interest is interest on interest: at 10%, £100 becomes £110 after one year, and after two years £110 + £11 = £121, because the extra £10 earns £1 as well. Who acts: Compound interest, £ 100, two years. A sentence of the lesson «Interest on savings and cash machines» of the money course of M
---

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# Interest on savings and cash machines, sentence 8

<!-- .ven lang=en -->
Compound interest is interest on interest: at 10%, £100 becomes £110 after one year, and after two years £110 + £11 = £121, because the extra £10 earns £1 as well.

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**Who acts:** Compound interest, £ 100, two years · **What happens:** be, become, earn · **To what, where:** interest

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This is a sentence of the lesson «Interest on savings and cash machines» of the money 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 (Compound interest, £ 100, two years), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:money:027-interest-on-savings-and-cash-machines.lesson:8
# text = Compound interest is interest on interest: at 10%, £100 becomes £110 after one year, and after two years £110 + £11 = £121, because the extra £10 earns £1 as well.
# source = school lesson (ours)
# course = money
# lesson = 027-interest-on-savings-and-cash-machines.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): R5-strong ×1, R7-rel-agree ×3
1	Compound	compound	ADJ	JJ	Degree=Pos	2	amod	_	Agree=R7-rel-agree|Haiku=2:compound|HaikuPos=NOUN:NN:Number=Sing
2	interest	interest	NOUN	NN	Number=Sing	4	nsubj	_	Agree=R7-rel-agree|Haiku=4:compound
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	interest	interest	NOUN	NN	Number=Sing	0	root	_	_
5	on	on	ADP	IN	_	6	case	_	_
6	interest	interest	NOUN	NN	Number=Sing	4	nmod	_	_
7	:	:	PUNCT	:	_	4	punct	_	_
8	at	at	ADP	IN	_	10	case	_	_
9	10	10	NUM	CD	NumForm=Digit|NumType=Card	10	nummod	_	_
10	%	%	SYM	NN	Number=Sing	14	obl	_	_
11	,	,	PUNCT	,	_	10	punct	_	_
12	£	£	SYM	$	_	13	compound	_	_
13	100	100	NUM	CD	NumForm=Digit|NumType=Card	14	nsubj	_	_
14	becomes	become	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
15	£	£	SYM	$	_	14	xcomp	_	_
16	110	110	NUM	CD	NumForm=Digit|NumType=Card	15	nummod	_	_
17	after	after	ADP	IN	_	19	case	_	_
18	one	one	NUM	CD	NumForm=Word|NumType=Card	19	nummod	_	_
19	year	year	NOUN	NN	Number=Sing	14	obl	_	Agree=R5-strong|Haiku=15:nmod
20	,	,	PUNCT	,	_	39	punct	_	_
21	and	and	CCONJ	CC	_	39	cc	_	_
22	after	after	ADP	IN	_	24	case	_	_
23	two	two	NUM	CD	NumForm=Word|NumType=Card	24	nummod	_	_
24	years	year	NOUN	NNS	Number=Plur	39	nsubj	_	_
25	£	£	SYM	$	_	24	acl:relcl	_	_
26	110	110	NUM	CD	NumForm=Digit|NumType=Card	25	nummod	_	_
27	+	+	SYM	SYM	_	28	cc	_	Agree=R7-rel-agree|Haiku=28:case
28	£	£	SYM	$	_	25	conj	_	_
29	11	11	NUM	CD	NumForm=Digit|NumType=Card	28	nummod	_	_
30	=	=	SYM	SYM	_	31	case	_	_
31	£	£	SYM	$	_	28	nmod	_	_
32	121	121	NUM	CD	NumForm=Digit|NumType=Card	31	nummod	_	_
33	,	,	PUNCT	,	_	37	punct	_	_
34	because	because	SCONJ	IN	_	39	mark	_	_
35	the	the	DET	DT	Definite=Def|PronType=Art	37	det	_	_
36	extra	extra	ADJ	JJ	Degree=Pos	37	amod	_	_
37	£	£	SYM	$	_	28	nsubj	_	_
38	10	10	NUM	CD	NumForm=Digit|NumType=Card	37	nummod	_	_
39	earns	earn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
40	£	£	SYM	$	_	39	obj	_	_
41	1	1	NUM	CD	NumForm=Digit|NumType=Card	40	nummod	_	_
42	as	as	ADV	RB	ExtPos=ADV	39	advmod	_	_
43	well	well	ADV	RB	Degree=Pos	42	fixed	_	_
44	.	.	PUNCT	.	_	4	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 | **is a** | present | Compound interest | interest |  | interest |  |  | tree rules |
| 2 | **become** | present | £ 100 |  |  |  | year |  | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |
| 3 | **earn** | present | two years |  |  |  |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent £=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.

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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:money:027-interest-on-savings-and-cash-machines.lesson:8`.

**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): R5-strong ×1, R7-rel-agree ×3. **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: [Interest on savings and cash machines, 6](https://md.mova.elamur.ai/free/en/corpora/school/money/27-interest-on-savings-and-cash-machines/6/)
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