---
title: Select the modal verb expressing the lowest degree of certainty. — Active and passive voice, modal verbs · tree and pragmatics
description: Select the modal verb expressing the lowest degree of certainty. Exam question 4 of lesson 32 «Active and passive voice, modal verbs» of the English course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Exam question 4 · Active and passive voice, modal verbs

<!-- .ven lang=en -->
Select the modal verb expressing the lowest degree of certainty.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you, modal verb · **What happens:** select, express · **To what, where:** modal verb, lowest degree

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This is exam question 4 of lesson 32 «Active and passive voice, modal verbs» of the English course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/english/32-active-and-passive-voice-modal-verbs/#e4).

## The question {#question}

```conllu
# sent_id = question:english:32-active-and-passive-voice-modal-verbs:e4:1
# text = Select the modal verb expressing the lowest degree of certainty.
1	Select	select	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	modal	modal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	verb	verb	NOUN	NN	Number=Sing	1	obj	_	_
5	expressing	express	VERB	VBG	VerbForm=Ger	4	acl	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	lowest	low	ADJ	JJS	Degree=Sup	8	amod	_	_
8	degree	degree	NOUN	NN	Number=Sing	5	obj	_	_
9	of	of	ADP	IN	_	10	case	_	_
10	certainty	certainty	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
11	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **select** | imperative | you *not said here* | the modal verb |  |  |  |  | vn obtain-13.5.2 «NP V NP»: agent=Agent verb=Theme |
| 2 | **express** | gerund | the modal verb *not said here* | the lowest degree of certainty |  |  |  |  | vn reflexive\_appearance-48.1.2 «NP V NP»: agent=Agent degree=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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
shall

```conllu
# sent_id = question:english:32-active-and-passive-voice-modal-verbs:e4:o1:1
# text = shall
1	shall	shall	AUX	MD	VerbForm=Fin	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
might

```conllu
# sent_id = question:english:32-active-and-passive-voice-modal-verbs:e4:o2:1
# text = might
1	might	might	AUX	MD	VerbForm=Fin	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
will

```conllu
# sent_id = question:english:32-active-and-passive-voice-modal-verbs:e4:o3:1
# text = will
1	will	will	AUX	MD	VerbForm=Fin	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
must

```conllu
# sent_id = question:english:32-active-and-passive-voice-modal-verbs:e4:o4:1
# text = must
1	must	must	AUX	MD	VerbForm=Fin	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **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 text read on its own. Elamur Cosmic License.

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