1.turning the following imperative into the Yes-No question form.
Bring me some paper please.
2.Using a modal auxiliary.
It is not even barely possible that he made that mistake.
3.Using the nonfinite verb form.
When the reports arrived,we began to assess them.
4.Using extraposition
To see all the high school kids standing on one foot outside school property and puffing away furtively and defiantly on their cigarettes breaks my heart.
5.Using passive voice.
All the students who are applying for the government loan must observe this rule.
6.Combining the two sentences by using subjunctive mood.
She has little knowledge about the country.But she talkde in a way that made people believe the country.
7.Combining the two sentences by using a relative clause.
Philip bought an English-Chinese dictionary last week.He found it very useful.
Heavy storms occurred in the area this summer.It caused serious damage to the crops.
参考资料:英语牛人团团员