内容正文:
Section Ⅲ Grammar and Usage
由关系副词引导的限制性定语从句
[观察]
①Do you remember a time when you had no worries stopping you from getting a good night's rest?
②Teenagers who do not get enough sleep may experience situation where body development slows down, and their health suffers.
③One of the reasons why people fail to get a good night's sleep is pressure from school or work.
④They are still growing, and night is the time when their bodies grow faster.
⑤Shanghai is the city where many people struggle with sleep problems.
⑥I often think of the moment when I first saw her.
⑦The reason why I did not perform well at school last week was my poorquality sleep.
[发现]
上述句子中黑体词均为关系 副词 ,它们引导的是 定语从句。
1.关系副词when在定语从句中作时间状语(句①、④、⑥),其前面的先行词是表示时间的名词。
2.关系副词where在定语从句中作地点状语(句②、⑤),其前面的先行词是表示地点的具体名词(句⑤)或抽象名词(句②)。
3.关系副词why在定语从句中作原因状语(句③、⑦),其前面的先行词是reason。
1.when的用法
[观察]
The time when I first met Nelson Mandela was a very difficult period of my life.
→The time during which I first met Nelson Mandela was a very difficult period of my life.
第一次见纳尔逊·曼德拉的时候,是我一生中非常困难的时期。
I will never forget the day when I first saw you.
→I will never forget the day on which I first saw you.
我永远不会忘记第一次见到你的那天。
Those days when we had nothing to eat are gone.
→Those days in/during which we had nothing to eat are gone.
我们没有东西吃的日子一去不复返了。
[归纳]
(1)when在从句中作时间状语,指代时间,可译为“在那时/在那天/……”。
(2)先行词多为表示时间的名词,如time/day/year/month/week/hour等。
(3)此时when=in/at/on/during/...+which
◎巧学巧练——单句语法填空
①Do you remember the afternoon when we worked together?
②He came at the time when we needed him most.
③There was a year when his business was in a poor state.
2.where的用法
[观察]
This is the house where they lived a week ago.
→This is the house in which they lived a week ago.
这是一个星期前他们住过的房子。
The school where I studied for only two years was three kilometers away.
→The school in which I studied for only two years was three kilometers away.
我曾在那里学习仅两年的学校离家有三公里远。
They were put into a position where they had nothing at all.
→They were put into a position