11. Nothing in the world can delight me so much as ...世界上没有什么比……更令我高兴。

Nothing in the world can delight me so much as having hamburgers in fast food restaurants. 世界上没有什么比到快餐店吃汉堡包更令我高兴。

12. It is necessary/important/proper that S.(should)V. ……是必要的/重要的/适当的。

It is necessary that we master a foreign language. 我们掌握一门外语是必要的。

13. Whenever I ...每当我……, 我就……

Whenever I think about this, I smile. 每当我想起这些, 我都会笑。

14. It is said/ thought /reported/believed (that)...据说/人们认为/据报道/人们相信

It is believed that health is above wealth. 人们相信健康重于财富。

15. The main reason why/for ...is (that) ………的主要原因是……

The main reason why he failed was that he didn’t work hard. 他失败的主要原因是他不努力。

16. To ..., there are at least three things we can do. 要……, 我们至少要做三件事。

16. We have reasons to believe (that)...我们有理由相信……

We have reasons to believe (that) corporal punishment should be strictly prohibited. 我们有理由相信体罚应该严格禁止。

17. As a matter of fact, ...=in fact ...事实上, ……

As a matter of fact, it is health that counts. 事实上, 健康才是最重要的。

18. Besides (in addition), we should not neglect ...此外, 我们不应忽视……

In addition, we should not neglect that everyone wants a friendly and peaceful society. 此外, 我们不应忽视每个人都想要一个温馨祥和的社会。

19. On the contrary, ...=By contrast, ...相反的，……

On the contrary, a few students, it seems, are still fooling around. 相反的, 少数学生似乎还在虚度光阴。

20. On the other hand, ...另一方面, ……

The government should enforce laws strictly. On the other hand, the public should also develop the good habit of reducing pollution. 政府应严格执法, 另一方面, 大众也应该培养减少污染的好习惯。