Subject Clause and Predicative Clause
Ⅰ. 主语从句(Subject Clause)
一定义：__________________________________________________.
1. He is right .
2. What he said is right .
二.主语从句引导词
1.主语从句的引导词与宾语从句相同。（但不用if （是否），只能用whether(是否)）
1) that 2) whether
3) what , which ,who, whom, whose, whatever , whichever.....
4) where , when , why, how, wherever, whenever .....
5) how many , what color, how far等。
2. 引导主语从句的关联词除起连接句子的作用，绝大多数关联词在主从中要充
当一定的句子成分。
3. 主语从句的语序是：关联词+S+V
三. 主语从句引导词的用法:
1. that 的用法：that 引导句意完整, 意义明确不缺成分的述句；无词义，在
主从中不充当句子成分，不能省略。
仿照例子改写句子改成相应的主语从句
Model: There is life on another planet (在另外的星球上)
（that 引导的主从）It is almost impossible.
→That there is life on another planet is almost impossible
(主从) s v.
1). The scientist will give us a lecture next week. It is true.
→
2). You don’t like him. It is none of my business.(不关我的事)
→
3).Her hair was turning gray(灰色). It worried her bit.
→
4). He told her everything. It is probable.
→
5). He sings so well. It is no surprise.
→
2. whether 的用法: whether引导的主从不缺句子成分，句意不完整，表达一种不确定，不明确的概念；whether当"是否"讲，在主从中不充当句子成分。Model: 由whether 引导的主从，相当于一般疑问句的作用。
Will I accept the gift ? It is none of your business.
→Whether I accept the gift is none of your business.
(主从) s v
1). Will our football team win? It is uncertain yet.
→
2). Will the sports meet be held? It depends on the weather.
→
3). Will I rest? It doesn’t matter
→
4). Will we go shopping? It isn’t known.
→
5). Will we have an exam? It isn’t decided.
→
3. 特殊疑问代词who ; whom ;whose; what; which ; whatever; whoever...用法：
1）who : ______________________ ; 在主从中作____________________. 2）whom: _________________________; 在主从中作___________________. 3）whose: _________________________; 在主从中作___________________. 4）what : _________________________; 在主从中作___________________. Model1: Who did the job? It is unknown
→Who did the job is unknown.
Model2: Whom shall we choose as our monitor? It isn’t decided.
→Whom we shall ch oose as our monitor isn’t decided.
将下列句子改成相应的主语从句
1). Who should be our head master? It is still not known.
→
2). Who did the job? It is unknown
→
3). Who beat Xiao Wang black and blue？It is unknown.
→
4). Who loves the people? He is loved by the people
5). What did he say? It made us laugh .
→
6). Whose bike was stolen yesterday? It isn’t known.
→
7). Which is the better one of the two companies ? It is very clear.
→
4. 特殊疑问副词when ; where; why; how; whenever ; wherever; however...用
法：
1）when : _________________________; 在主从中作___________________. 2）where: _________________________; 在主从中作___________________. 3）why : _________________________; 在主从中作___________________. Model由特殊疑问副词引导的主从，相当于特殊疑问句。
When will they lease? It hasn’t been decided .
→When they will leave hasn’t been decided
引导词（主从）S V
1). Why did he do it? It is not clear.
→
2). How did you do it? It is not known to all.
→
3). Where has she gone? It is not known yet.
