1. She put salt into her coffee by mistake.

2. I took his bag by mistake.

3. I took your pen by mistake.

4. Here's your pen, I took it by mistake.

5. Oops! I've typed two L's by mistake.

6. Excuse my taking your umbrella by mistake.

7. He opened Ingrid's letter by mistake.

8. She put salt into her tea by mistake.

9. I've paid this bill twice by mistake.

10. He left three people off the list by mistake.

11. I locked myself out by mistake.

12. I've poured coffee into your cup by mistake.

13. I did it by mistake.

14. Someone must have left the door open by mistake.

15. She restored the book she had taken by mistake.

16. Please excuse my opening your letter by mistake.

17. I picked up your bag by mistake.

18. He has been arrested by mistake.

19. The cashier rang up ￡300 by mistake.

20. He put salt into the sugar bowl by mistake.

21. The burglar alarm was activated by mistake.

22. He sawed through a power cable by mistake.

23. She sprayed hair spray in her eye by mistake.

24. I picked up your book by mistake.

25. We got on the slow train by mistake.

25. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.

26. The suitcases were taken to Madrid by mistake.

27. We turned down a dead-end street by mistake.

28. He drilled through the wall by mistake.

29. The bill came to $60,but the salesgirl rang up $90 by mistake.

30. He found he had bopped a policeman on the head by mistake.