句型17
where…(地點從句)
[注意]where引導地點從句時，可以引導定語從句或是邏輯地點狀語從句。當它在定語從句中作地點狀語，指代地點時，這時可以用in which, on which, at which, to which, from which等結(jié)構(gòu)代替。但是它引導邏輯地點狀語從句時，沒有這樣用法。
[例句]
You should put the book where it was. 把書放回原處。
Persistent people begin their success where others end in failure.
不屈不撓者從他人失敗的地方獲取成功。
Where there is a will, there is a way. 有志者，事竟成。
Where men are greedy, there is never peace. 人類貪欲不止，世界和平無望。
Go where you should, keep on studying. 無論你到哪里，你都應(yīng)該繼續(xù)學習。
That is the building where my father works. 那是我父親工作的大樓。
Yesterday I went to the department store, where I met my teacher. 昨天我去百貨公司，就在那兒遇見了我的老師。
That’s where a change is needed. 那就是需要變更的地方。
We could see the runners very well from where we stood. 從我們所站的地方能很清楚地看到賽跑的選手。
You should let your children play where you can see them. 你應(yīng)該讓小孩在你的視線所及的地方玩耍。
Potatoes can be grown in places where it is too cold to grow rice.=Potatoes can be grown in places where it is too cold to grow rice.(本句where引導定語從句)
有些地方太冷不能種水稻，但可以種馬鈴薯。
[請比較下面的句子結(jié)構(gòu)的不同]
Potatoes can be grown where it is too cold to grow rice.(本句where引導地點狀語從句)
句型18
what引導的從句
what在英語中非常活躍,它可以用來引導主語從句、賓語從句、表語從句，但是不用來引導定語從句。在句子里可以充當主語、賓語、表語、定語，既可以指人，也可以指物。
[例句]
What is the population of the world? 世界的人口有多少?
What did you pay for this picture? 這幅畫你付了多少錢?
What is most important in life isn’t money. 人生最重要的并非是金錢。
Will you show me what you bought? 可以把你所買的東西給我看一下嗎?
Mary is no longer what she was ten years ago. Mary已經(jīng)不是10年前的她了。
句型19
as引導的非限制性定語從句
在as引導的非限制性定語從句中，連接代詞as在句子中可以作主語、賓語或表語等，可以指人或物。其在定語從句中的位置比較靈活，即可以在句子 前面，在句子中間或句子末尾。常用的結(jié)構(gòu)有：as we all know; as is well known to…; as is often the case; as is said/mentioned above; as has been said before; as I told you before; as is evident; as often happens; as can be seen; as is/was expected; as we expect; as I can remember等。
[注意1]as通常只指整個句子的內(nèi)容，不表示部分內(nèi)容。
[注意2]as引導的非限制性定語從句通常指"事先可以預(yù)料到的""料想到的"，表達"好"的方面。
[注意3]as引導限制性定語從句時，常構(gòu)成the same…as…; such…as…; so/as …as…等結(jié)構(gòu)。在從句中既可以指人、物，也可以指整個句子。
[例句]
This is also part of your work, as I told you before. 我曾告訴過你，這也是你工作的一部分。
The man was a teacher, as was evident from his way of speaking. 從那人說話的樣子可明顯看出，他是個老師。
Such ideas as he hits on are worthless. 像他那樣偶然想起的主意是無用的。
It’s the same story as I heard from her yesterday. 這故事跟我從她那兒聽到的相同。
He will marry as pretty a girl as he can find. 他要盡可能找漂亮的女孩結(jié)婚。
Such people as have made great contributions to the world should be greatly respected.
那些對世界做出巨大貢獻的人們應(yīng)該受到極大的尊重。
