1. I will work hard to make my dream come true.
2. I hope your dream will come true one day.
3. It takes sb. +时间+to do…
4. Sb. spend(某种人称时态)+时间/钱+on sth./ (in) doing sth.
5. It's important/necessary/useful/useless/common…(for sb.) to v…
6. It's nice/kind of sb. to v..
7. It's time for sb. to do sth.
8. It's a waste of time to…
9. It's …years/days since sb. +ved
10. It's great fun to do=sb. have great fun doing
11. It's a pity that…
12. It's an honor to…
13. I'm/We're not allowed to …
14. I'm afraid of making mistakes…
15. There be …doing…
16. Great changes have taken place in…
17. sth is/are well worth v-ing.
18. It seems/seemed that…
19. It seems (im)possible to v…
20. It is said that…
21. As the saying goes, …
22. …and …. are different in many ways.
23. too + adj./adv. to do
24. There are many differences between … and …
25. I have made up my mind to …
26. I am sure that…
27. I am not sure whether/if…
28. I would rather …. than …
29. It doesn't matter if…
30. Thank you for v-ing.
31. If everyone can make a contribution to the earth/ nature/ society, our life will be better and better.