一、~~~ the + ~ est + 名词+ (that) + 主语+ have ever + seen ( known / heard / had / read, etc)~~~ the most + 形容词+ 名词+ (that) + 主语+ have ever + seen ( known / heard / had / read, etc)海伦是我所见过的最美丽的女孩。
Helen is the most beautiful girl that I have ever seen.张老师是我曾经遇到的最仁慈的教师。
那是我们曾经住过的最昂贵的旅馆。
那是我所看过的最有趣的电影。
“茶馆”是我们所看过的最好的戏剧。
悉尼是我所参观过的最美的城市。
Mr. Zhang is the kindest teacher that I have ever had. That is the most expensive hotel that we have ever stayed in.That is the most interesting film that I have ever seen. Tea House is the best play that we have ever seen. Sydney is the most beautiful city that I’ve ever visited.二、Nothing is + ~~~ er than to + V.Nothing is + more + 形容词+ than to + V.没有比接受教育更重要的事了。
Nothing is more important than to receive education. 没有比上大学更令人激动的事了。
没有比学习数学更困难的事了。
没有比在河里游泳更有趣的事了。
没有比执行这项政策更紧急的事了。
工作一整天之后，没有比休息更有必要的事了。
Nothing is more exciting than to go to college. Nothing is more difficult than to learn maths.Nothing is more interesting than to swim in a river. Nothing is more urgent than to carry on the policy. Nothing is more necessary than to have a rest after a whole day’s work.三、There is no doubt + that从句（毫无疑问的......）毫无疑问，我们的教育制度尚不能令人满意。
There is no doubt that our educational system leaves something to be desired.毫无疑问他会按时来参加会议的。
毫无疑问，我们班将会赢得这场比赛。
他能胜任这项工作，这一点是毫无疑问的。
毫无疑问她会遵守诺言的。
毫无疑问，他们会勇敢地面对挑战的。
There is no doubt that he will attend the meeting on time. There is no doubt that our class will win the game.There is no doubt that he is fit for the job.There is no doubt that she will keep her word.There is no doubt that they will face the challenges bravely.四、The reason why + 句子~~~ is + that从句（......的原因是......）我们必须种树的原因是它们能供应我们新鲜的空气。
The reason why we have to grow trees is that they can provide us with fresh air. （they can supply fresh air for us ）他失败的原因是他拒绝听从我的劝告。
他哭的原因是他对结果非常失望。
他没有通过考试的原因是他没有努力学习功课。
我们激动的原因是我们将有一个三天的假期。
The reason why he failed is that he refused to listen to my advice.The reason why he cried is that he was very disappointed at the result.The reason why he didn’t pass the exam is that he didn’t work hard at his lessons.The reason why we are excited is that we will havea three-day holiday.五、So + 形容词+ be + 主词+ that从句（如此......以致于......）时间是如此珍贵，我们经不起浪费它。
So precious is time that we can’t afford to waste it.他是如此生气以致于说不出一句话来。
那个男孩如此可爱，我们大家都喜欢他。
我们学校如此美丽，以致于我们都为它骄傲。
他一直如此努力地学习，所以迅速取得了进步。
光线运行如此之快，以致于我们很难想象它的速度。
So angry is he that he can’t speak a word.So lovely is the boy that we all like him.So beautiful is our school that we are all proud of it. So hard has he been working that he has made rapid progress.So fast does light travel that it is difficult for us to imagine its speed.六、The + ~er + S + V, ~~~ the + ~er + S + V ~~~The + more + adj + S + V, ~~~ the + more + adj + S + V ~~~（愈… …，愈… …；越… …，越… … ）你学习愈努力，你取得的进步就愈大。
The harder you work, the more progress you will make.我们书读得越多，我们就越有学问。
穷者愈穷；富者愈富。
你愈使請求柔婉，請求就愈变為客氣。
你在這裡待得愈久，你愈會喜歡這個地方。
你愈小心，你犯錯就會愈少。
學而後知不足。
擁有愈多，欲望愈高。
你愈接近大自然，就愈能了解它的美。
天氣愈冷，我的生活就愈舒服。
房子愈大愈值钱。
The more books we read, the more learned we become.The poor get poorer；the rich get richer．The more you soften a request, the more polite it becomes.The longer you stay here, the more you will like the place.The more careful you are, the fewer mistakes you will make.The more I learn, the less I feel I know.The more you have, the more you want.The closer you stay to nature, the more you will appreciate her beauty.The more leisure he has, the less he stays at home.The colder the weather (is), the more comfortable my life (will be).The bigger the house (is), the more money it will cost.七、~~~ enable + object（宾语）+ to + V （... ...使... ...能够... ...）听音乐使我们能够感觉轻松。
Listening to music enables us to feel relaxed.这张通行证能够让我半价乘火车旅行。
兔子的大耳朵能使它听见很细微的声音。
这次大会将会使我们有效地进行合作。
他们及时的帮助将能使我们按时完成工作。
在户外玩耍能使孩子们感觉愉快。
This pass enables me to travel half-price on trains.A rabbit’s large ears enable it to hear the slightest sound.The conference will enable us to co-operate effectively.Their timely help will enable us to finish the work on time. Playing outdoors enables children to feel happy.八、It is time + S + 过去式（该是... ... 的时候了）该是有关当局采取适当的措施来解决交通问题的时候了。
It is time the authorities concerned took proper steps to solve the traffic problems.我们该收拾房子了。
他应该开始了解这个世界了。
人们该停止捕杀野生动物了。
該是他睡覺的時間了。
該你去當班了。
該是你反省思過的時候了。
It's high time we got our house in order.It's high time he started knowing about the world.It's high time people stopped shooting wild animals. It is time he went to bed.It is time that you left for the duty.九、Those who ~~~ （... ... 的人... ... ）违反交通规定的人应该受处罚。