1.强调句It was lightening that caused the forest fire last year.正是闪电引起了去年的那场火灾。
2.虚拟语气We hurried back to school lest/ for fear that it (should) rain.我们匆匆忙忙地赶回学校,生怕天会下雨。
3.比较级the more…the more The more time a person spends on his work,the less time he has to play.一个人花在工作上的时间越多,花在玩耍上的时间就越少。
4. This subject is far more difficult than everybody has previously expected.这门课程比每个人以前预料的还要难得多。
5. more than…/rather than… A political figure's success depends more on external factors than his own characteristics.一个政治人物的成功与其取决于他个人的特点,不如说取决于外部因素。
6.让步状语Whether you believe him or not, you have to make the decision.无论你是否相信他,你都必须做出决定。
7. no matter what/ who/when/how…,No matter how hard he tried,he couldn't persuade his friends to give up the adventure.无论他怎么努力,都不能说服他的朋友们放弃冒险。
8. despite/in spite of …,He decided to carry out the plan in spite of the protest from his parents.他决定不顾父母的反对执行他的计划。
9.结果状语I broke my glasses so that I couldn't see clearly what happened.我打破了眼镜,以至于看不清当时发生了什么事。
10. The density of the star has become so great that it may explode at some time.这颗恒星的密度如此之大,以至于它会在某一时刻爆炸。
11.非限定性定语从句As we expected正如我们所预料的那样/ As is well known众所周知, the project was finished successfully on time.项目成功地提前完成。
12.形式主语It's no doubt that correct decisions made today will have a good effect on future.毫无疑问,今天做出的正确决策将对未来有很好的影响。