I will work hard to make my dream come true.

　　I hope your dream will come true one day.

　　It takes sb. +时间+to do…

　　Sb. spend(某种人称时态)+时间/钱+on sth./ (in) doing sth.

　　It's important/necessary/useful/useless/common…(for sb.) to v…

　　It's nice/kind of sb. to v..

　　It's time for sb. to do sth.

　　It's a waste of time to…

　　It's …years/days since sb. +ved

　　It's great fun to do=sb. have great fun doing

　　It's a pity that…

　　It's an honor to…

　　I'm/We're not allowed to …

　　I'm afraid of making mistakes…

　　There be …doing…

　　Great changes have taken place in…

　　sth is/are well worth v-ing.

　　It seems/seemed that…

　　It seems (im)possible to v…

　　It is said that…

　　As the saying goes, …

　　…and …. are different in many ways.

　　too + adj./adv. to do

　　There are many differences between … and …

　　I have made up my mind to …

　　I am sure that…

　　I am not sure whether/if…

　　I would rather …. than …

　　It doesn't matter if…

　　Thank you for v-ing.

　　If everyone can make a contribution to the earth/ nature/ society, our life will be better and better.