1. （用被动语态）The lesson will be given from 9:00 a.m. to 11:30 a.m. next Sunday in the classroom 201.
2. （用虚拟语气）But for /without your selfless help, I couldn't have adapted to the American life quickly.
（用with 结构）I could adapt to the American life quickly with your selfless help.
（用强调句） It was because of your selfless help that I could adapt to the American life quickly
3. （用not only...but also 倒装）As we know, not only is Tang Poetry one of the Chinese precious traditional cultural relics, but also it has a far-reaching effect on the cultural development in the world.
（用非限制性定语从句） As we know, Tang Poetry is one of the Chinese precious traditional cultural relics, which also has a far-reaching effect on the cultural development in the world.
（用同位语）As we know, Tang Poetry, one of the Chinese precious traditional cultural relics, has a far-reaching effect on the cultural development in the world.
4. （插入语）The paper-cutting exhibition, I am sure , will leave a wonderful impression on you.
5. （用倒装句）Not only can the sport of table tennis prevent us students from getting short-sighted, but it can also help us keep physically and mentally healthy.
6. （用定语从句合并）Our school photography club is going to hold an International Photography Show, the theme of which is environmental protection.
（用 with 结构合并）Our school photography club is going to hold an International Photography Show with the theme of environmental protection.
7. （用感叹句）How sorry I feel to tell you that I can' t go to the bookstore with you on Friday afternoon.
8. （用非谓语）Now I am glad to tell you there will be a Chinese paper-cutting exhibition held by our school.
9. （用分词作状语）Having rich experience of social practice and great communicative competence , I firmly believe that I can be qualified for the job.
（用 with 结构）With rich experience of social practice and great communicative competence , I firmly believe that I can be qualified for the job.
10. （用 it 作形式主语）It is very kind and generous of you to help me a lot during my stay in Almeria.
11. （用被动语态，定语从句改写句子）At first, the candles will be lighted and the song “ Happy Birthday ” will be sung together for him, after which , we will enjoy the birthday cake and have fun together.
12. （用感叹句） What a great pity it is that I can' t go to the bookstore with you on Friday afternoon!