# Zero Conditional and Unless Exercises with Answers

https://hienglishquiz.com/grammar/zero-conditional-and-unless-b1

- Title: Zero Conditional and Unless
- CEFR: B1 (Intermediate)
- Category: Conditionals and Hypothetical Language
- Questions: 14

Practise the zero conditional for facts and habits, instructions with if, unless for if not, and choosing between the zero and first conditional. Answers and short explanations included.

Practise the zero conditional for things that are always true, if in instructions, and unless meaning "if not": a positive verb after unless, no will after…

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## Lessons on this topic

- [Zero Conditional and Unless](https://hienglishquiz.com/grammar-lessons/zero-conditional-and-unless)

## Sample questions with answers

1. If you leave milk out of the fridge, it ____ bad.
   - A. goes
   - B. went
   - C. going
   - D. go
   Answer: A — This happens every time: present simple. It goes.

2. We'll miss the start of the film ____ we leave now.
   - A. unless
   - B. if
   - C. when
   - D. but
   Answer: A — If we don't leave now, we'll miss it. If not = unless.

3. Unless you ____ a ticket, you can't get on the train.
   - A. have
   - B. don't have
   - C. will have
   - D. had
   Answer: A — Unless already means not. Use a positive present simple verb.

## More Conditionals and Hypothetical Language exercises

- [The Unreal Past · B2](https://hienglishquiz.com/grammar/unreal-past-b2) — markdown: https://hienglishquiz.com/grammar/unreal-past-b2.md
- [Inverted Conditionals · C1](https://hienglishquiz.com/grammar/inverted-conditionals-c1) — markdown: https://hienglishquiz.com/grammar/inverted-conditionals-c1.md
- [Conditional Linkers · C2](https://hienglishquiz.com/grammar/conditional-linkers-unless-as-long-as-provided-c2) — markdown: https://hienglishquiz.com/grammar/conditional-linkers-unless-as-long-as-provided-c2.md
- [Zero and First Conditional · A1](https://hienglishquiz.com/grammar/zero-and-first-conditional-a1) — markdown: https://hienglishquiz.com/grammar/zero-and-first-conditional-a1.md
- [First Conditional · A2](https://hienglishquiz.com/grammar/first-conditional-a2) — markdown: https://hienglishquiz.com/grammar/first-conditional-a2.md
- [Second Conditional · A2](https://hienglishquiz.com/grammar/second-conditional-a2) — markdown: https://hienglishquiz.com/grammar/second-conditional-a2.md
- [Second Conditional with If and Would · B1](https://hienglishquiz.com/grammar/second-conditional-if-would-b1) — markdown: https://hienglishquiz.com/grammar/second-conditional-if-would-b1.md
- [Third Conditional · B1](https://hienglishquiz.com/grammar/third-and-mixed-conditionals-b1) — markdown: https://hienglishquiz.com/grammar/third-and-mixed-conditionals-b1.md

## Related

- All Conditionals and Hypothetical Language exercises: https://hienglishquiz.com/grammar#conditionals-hypotheticals
- Grammar library: https://hienglishquiz.com/grammar
- Section guide: https://hienglishquiz.com/grammar/llms.txt