非限定性定语从句(补充说明)
限定主语:明确说的是什么,必要
非限定主语:补充说明,非必要
格式: … , who/which及介词变形where/when/why (不能用that)
Yesterday I met my girlfriend <who lives across the street>. (不唯一)
Yesterday I met my girlfriend, <who lives across the street>. (唯一)
David Beckham, <who modelled for a clothing company> , has earned a lot of money.
The mayor, <who live in this house>, has not been seen for years.
用which指代前面一整句话,并修饰一整句话
- She is extraordinary beautiful, <which make her roommate envy her>.
- We ran out of money, <which bother me a l lot>.
As 引导非限定性定语从句
- As sb. Say …
- As is said…
- As we all know…,
- As is known to all…
- As I have told you…
The whale is not a fish but a mammal, which/as we all know.
As 位置更为灵活
- Disguised can sometimes be too perfect, as they soon discovered.
- Disguised, as they soon discovered can sometimes be too perfect.
- As they soon discovered, Disguised can sometimes be too perfect.
逗号不能连接两个完整句,只有连词/连接词才可以
My friend showed me round the town, which was very kind of him.