八、the reason why + 句子…… is that + 句子 (……的原因是……)

　　例句：the reason why we have to grow trees is that they can provide us with fresh air. 我们必须种树的原因是它们能供应我们新鲜的空气。

　　*九、so + 形容词 + be + 主词 + that + 句子…… (如此……以致于……) 例句：so precious is time that we can't afford to waste it. 时间是如此珍贵，我们经不起浪费它。

　　十、adj + as + subject(主词)+ be, s + v~ (虽然……)

　　例句：rich as our country is, the qualities of our living are by no means satisfactory. (by no means = in no way = on no account =at no time = in no case = in no sense = under no circumstances = not ...in the least 一点也不)

　　虽然我们的国家富有，我们的生活品质绝对令人不满意。

　　十一、the + -er + s + v, …the + -er + s + v…

　　the + more + adj + s + v, …the + more + adj + s + v …(愈……愈……)例句：the harder you work, the more progress you make.

　　你愈努力，你愈进步。

　　the more books we read, the more learned we become.

　　我们书读愈多，我们愈有学问。

　　十二、by +ving, …can…(借着...，..能够..) 例句：by taking exercise, we can always stay healthy.

　　借着做运动，我们能够始终保持健康。

　　*十三、…enable + object(受词)+ to + v (……使……能够……) 例句：listening to music enable us to feel relaxed.

　　听音乐使我们能够感觉轻松。

　　*十四、on no account can we + v…(我们绝对不能……) 例句：on no account can we ignore the value of knowledge.

　　我们绝对不能忽略知识的价值。

　　十五、it is time + s + 过去式 (该是……的时候了) 例句：it is time the authorities concerned took proper steps to solve the traffic problems.