# For, During, While, By and Until Exercises with Answers

https://hienglishquiz.com/grammar/for-during-while-by-and-until-b1

- Title: For, During, While, By and Until
- CEFR: B1 (Intermediate)
- Category: Prepositions
- Questions: 14

For two hours or during the film? While I was eating? By Friday or until Friday? Practise the time words that are easiest to mix up, with answers and short explanations.

Practise for with a length of time, during with a noun, while with a clause, until for something that continues up to a time, and by for a deadline — "not…

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## Lessons on this topic

- [For, During and While; By and Until](https://hienglishquiz.com/grammar-lessons/for-during-while-by-until)

## Sample questions with answers

1. Minh has worked at the bank ____ ten years.
   - A. for
   - B. during
   - C. while
   - D. since
   Answer: A — Ten years is a length of time. Since needs a starting point, like since 2015.

2. Somebody knocked on the door ____ we were having dinner.
   - A. while
   - B. during
   - C. for
   - D. by
   Answer: A — We were having dinner is a clause, so while.

3. Please return the library books ____ 15 June.
   - A. by
   - B. until
   - C. during
   - D. for
   Answer: A — 15 June is the deadline. Returning the books happens once, so by.

## More Prepositions exercises

- [Verbs and Adjectives with Prepositions · B1](https://hienglishquiz.com/grammar/verb-and-adjective-prepositions-b1) — markdown: https://hienglishquiz.com/grammar/verb-and-adjective-prepositions-b1.md
- [Verbs with Prepositions · B1](https://hienglishquiz.com/grammar/verb-preposition-combinations-b1) — markdown: https://hienglishquiz.com/grammar/verb-preposition-combinations-b1.md
- [Adjectives and Nouns with Prepositions · B2](https://hienglishquiz.com/grammar/adjective-and-noun-preposition-combinations-b2) — markdown: https://hienglishquiz.com/grammar/adjective-and-noun-preposition-combinations-b2.md
- [Preposition Contrasts · C1](https://hienglishquiz.com/grammar/common-preposition-contrasts-c1) — markdown: https://hienglishquiz.com/grammar/common-preposition-contrasts-c1.md
- [Prepositional Phrases · C2](https://hienglishquiz.com/grammar/adjective-and-noun-preposition-combinations-c2) — markdown: https://hienglishquiz.com/grammar/adjective-and-noun-preposition-combinations-c2.md
- [Prepositions of Place · A1](https://hienglishquiz.com/grammar/prepositions-of-place-a1) — markdown: https://hienglishquiz.com/grammar/prepositions-of-place-a1.md
- [Prepositions of Movement · A2](https://hienglishquiz.com/grammar/prepositions-of-movement-and-direction-a2) — markdown: https://hienglishquiz.com/grammar/prepositions-of-movement-and-direction-a2.md

## Related

- All Prepositions exercises: https://hienglishquiz.com/grammar#prepositions
- Grammar library: https://hienglishquiz.com/grammar
- Section guide: https://hienglishquiz.com/grammar/llms.txt