● 3. Although there are already robots which can do this job, rats are better。
● 解析:第二个are为谓语,rats为主语,Although there are already robots which can do this job为 让步状语从句, which can do this job作为定语从句此时robots.
二、句子成分详解
● 主语(subject):句子中说明的人或事物,是谓语动词的发出者,多位于句首 ● 常用名词和代词充当。 ● eg, ● You are my sunshine. ● Doing exercise is beneficial to our body. ● What you said is true.
● 作为定语从句修饰possessions.
● 5. There they met people from other parts of the country, who had also volunteered to help.
● 解析:met为谓语,they为主语,people from other parts of the country为宾语, who had also volunteered to help作为定语从 句修饰people.
● 2. 谓语(predicate): 说明主语的动作、状态和特征。只能由动词或者动词短语充当。 eg,
● Some students work out that difficult problem. ● The girls are swimming in the pool now.
● 3. 表语(predicative): 系动词之后的成分,表示主语的性质、状态和特征。 ● 常用名词、形容词和短语充当。 ● 常见系动词: be, 感官动词sound(听), look(看), feel(摸),smell(闻), taste(尝