1. One year's seeding makes seven years weeding. 

2. One lie needs seven lies to wait upon it. 

3. Turn your tongue seven times before speaking. 

4. Rain before seven; fine before eleven. 

5. A fool can ask more questions than seven wise men can answer. 

6. Keep thing seven years and you will find a use for it. 

7. Wake me up at seven tomorrow.

8. She learned to ride when she was seven.

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

9. Is seven okay for you?

10. The children average seven years of age.

11. They consolidated seven provinces to form four new ones.

12. I wake at seven every morning.

13. The sun rose at seven o'clock.

14. A wake-up call at seven tomorrow morning, please.

15. One in seven accidents is caused by sleepy drivers.

16. Two from seven leaves five.

17. The lift-off was delayed about seven minutes.

18. It's most unlikely that she'll arrive before seven.

19. The party had been governing for seven months.

20. It was nineteen minutes past seven.

21. Snow White and the Seven Dwarfs.

22. The women visited cities in seven states.

23. High tide is at seven in the morning.

24. Yesterday, I had breakfast at a quarter past seven.

25. What are the seven wonders of the world?

26. The aircraft has/carries a crew of seven.

27. Four and three make seven.

28. I haven't got to leave till seven.

29. Carter was remanded in custody for seven days.

30. A fool may ask more questions in an hour than a wise man can answer in seven years.