关键句型一：比较级和最高级的句型
1. People are much richer than before.
2. People here now live a much better life than before.
3. This small village has become more beautiful than before.
4. The teaching building is the biggest building in our village.
5. The teaching building is the greatest construction in our village.
关键句型二：现在完成时的句型
1. Children have got a place to have lessons.
2. People have built a new school in our village.
3. I haven't been back to my hometown for two years.
4. Great changes have taken place in our village since 1980.
5. The living standard has been greatly improved since 1980.
6. Have you ever heard about the changes happened in our village?