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Interactive Grammar: Reporting Warnings quiz

Report warnings using warn + object + not to-infinitive and warn + that-clause — essential for academic and formal writing.

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Grammar Explanation · Authentic Examples · Practice Questions

Lesson progressNot started
Duration
~30 min
Questions
20
Level
Intermediate

Overview

Warnings in reported speech use warn + object + not to-infinitive or warn + that-clause. Example: 'Don't touch the wire' → He warned them not to touch the wire. 'Warn' can also introduce a that-clause: He warned us that the road was icy.

Warnings → Reported

  • warn + not toHe warned me not to touch the wire.
  • warn + thatShe warned that the road was dangerous.
  • Direct'Don't go near the edge,' she said.
  • ReportedShe warned us not to go near the edge.

Warning Reporting Verbs

  • warn+ object + not to-infinitive
  • caution+ object + about / against + -ing
  • alert+ object + to + noun
  • advise+ object + against + -ing

Common Mistakes

  • ❌ She warned me to not go there.
  • ✅ She warned me not to go there.
  • ❌ He warned that don't cross the line.
  • ✅ He warned us not to cross the line.

When to use

Safety

The sign warned drivers not to exceed 60 mph.

Medical

The doctor warned him to avoid alcohol.

Formal email

She cautioned us about the risks of the investment.

School

The teacher warned the students not to cheat.

Reporting Warnings — Transform

Report each warning using warn + object + not to-infinitive or warn + that.

Transform10 questionsB1 — Intermediate~15 min

1'Don't touch the wire!' he said. → Use 'warned'

2'The road is dangerous,' she said. → Use 'warned'

3'Don't go near the edge!' they shouted. → Use 'warned'

4'The deadline is tomorrow,' he said. → Use 'warned'

5'Don't miss the last train,' she said. → Use 'warned'

6'This is your last chance,' he said. → Use 'warned'

7'Don't sign anything without reading it,' she said. → Use 'warned'

8'The ice is thin!' he shouted. → Use 'warned'

9'Avoid the left lane,' the sign said. → Use 'warned'

10'Don't drink the water,' the guide said. → Use 'warned'

Progress0 of 10 answered

Reporting Warnings — Multiple Choice

Choose the correctly reported warning.

Multiple Choice5 questionsB1 — Intermediate~8 min
1Direct: 'Don't touch the wire!' He warned me…
2Which pattern follows 'warn' for warnings?
3'The road is icy.' She warned me…
4Which correctly reports 'Don't be late!'?
5Which is NOT a reporting verb for warnings?
Progress0 of 5 answered

Reporting Warnings — Error Correction

Correct the error in each reported warning.

Error Fix5 questionsB1 — Intermediate~8 min

1He warned me to not touch the wire.

2She warned that the road is dangerous.

3He warned us don't go near the edge.

4She warned me being late.

5He warned to not sign anything.

Progress0 of 5 answered

Frequently Asked Questions

What does this lesson on reporting Warnings cover?

Report warnings using warn + object + not to-infinitive and warn + that-clause — essential for academic and formal writing.

Which CEFR level is this lesson designed for?

This lesson is designed for Intermediate (B1) learners and forms part of the Direct and Indirect Speech section on Grammartier.

What is the best approach for studying reporting Warnings?

Start with the definition above, then work through the examples to see how reporting Warnings behaves in context. Since this is a Intermediate (B1) topic within direct and indirect speech, focus on using the structure accurately in context and noticing the mistakes learners typically make with it — this is the level where small errors start to matter for fluency. Finish with the quiz below to check what's actually sticking.

How does reporting Warnings relate to the rest of direct and indirect speech?

Reporting Warnings is one of the Intermediate–level topics grouped under Direct and Indirect Speech on Grammartier. Understanding it well makes the related lessons in the same category easier to follow — use the related-lessons links on this page to keep building on it once you've completed this quiz.

Your Grammar Learning Path

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Before You Start

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Related Concepts

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Continue Your Grammar Journey

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Avoid common mistakes: Common Mistakes in Reported SpeechSee where this fits in the full roadmap →