Swiss psychologist Jean Piaget, who is credited with founding the scientific study of children's thinking, was convinced that preschool children cannot consider what goes on in the minds of others.
主句,陈述皮亚杰的一个核心观点,即学龄前儿童不具备心智理论能力
成分推断 · 4 项
- 先找全句的谓语动词。浏览全句,发现 "was convinced" 是主句的核心动词结构,位于主语 "Swiss psychologist Jean Piaget" 之后(中间插入的 "who" 定语从句可暂时忽略)
- "was" 是系动词 "be" 的过去式,"convinced" 是过去分词。"be convinced that" 构成被动语态,表示"被说服而确信某事","was convinced" 是本分句的谓语
- 排除其他候选:"is credited" 位于 "who" 引导的定语从句中,是从句的谓语,不是主句谓语;"cannot consider" 和 "goes" 分别位于后续的 "that" 和 "what" 引导的从句中,也都不是主句谓语。因此主句谓语确定为 "was convinced"
- 定位谓语 "was convinced" 之前的名词性成分。"Swiss psychologist Jean Piaget" 位于句首,是完整的名词短语,其中 "Swiss psychologist" 是职业描述,"Jean Piaget" 是专有名词
- 检查这个名词短语与谓语的关系:"Jean Piaget was convinced" 构成"某人确信某事"的主谓关系,语义通顺。中间插入的 "who is credited with founding the scientific study of children's thinking" 是非限制性定语从句,用逗号隔开,补充说明主语但不影响主谓关系
- 排除其他候选:句中其他名词如 "preschool children"、"minds"、"others" 都位于从句内部,不可能是主句主语。因此主语确定为 "Swiss psychologist Jean Piaget"
- "was convinced" 是系表结构,其中 "was" 是系动词,"convinced" 是形容词作表语。紧接其后出现引导词 "that",引出一个完整分句 "preschool children cannot consider what goes on in the minds of others"
- "be convinced that" 结构中,"that" 引导的从句说明"确信的内容是什么",作为表语从句补充说明主语所处的状态
- 确认 "that" 从句的完整性:该从句有自己的主语 "preschool children"、谓语 "cannot consider"、宾语 "what goes on in the minds of others",结构完整,可充当表语。因此表语确定为整个 "that" 引导的从句
- 定位修饰主语 "Jean Piaget" 的成分。在主语之后、谓语之前,有一对逗号包围的部分 "who is credited with founding the scientific study of children's thinking"
- "who" 是关系代词,引导定语从句。逗号隔开表示非限制性定语从句,对先行词 "Jean Piaget" 进行补充说明而非限定。该从句内部有完整的主谓宾结构:"who" 充当从句主语,"is credited" 是从句谓语,"with founding..." 是介词短语作状语
- 确认修饰对象:"who" 指代 "Jean Piaget",从句描述他"被认为创立了儿童思维的科学研究",与先行词紧密相关。因此这是修饰主语的非限制性定语从句,作定语成分
时态 · 语态 · 语气
- 先找谓语动词形式。主句谓语是 "was convinced",其中 "was" 是 "be" 的过去式,"convinced" 是过去分词
- 判断时态:"was" 表示过去时间,没有 "have/has/had" 等完成体标志,也没有 "be + -ing" 的进行体标志,更没有 "will/would" 等将来或情态动词。因此时态为一般过去时
- 判断语态:"be + 过去分词" 是被动语态的标准结构。"was convinced" 表示"被说服、被确信",主语 "Jean Piaget" 是动作的承受者(被某种证据或论证说服而确信),因此语态为被动
- 判断语气:全句为陈述句,陈述客观事实(皮亚杰当时确信某事),没有虚拟语气标志(如 "if" 引导的与事实相反的假设、"should/would/were" 等虚拟形式),也不是祈使句。因此语气为陈述语气
语义说明 一般过去时表示皮亚杰在过去某个时间点持有这一观点;被动语态强调他是"被说服而确信"的状态,或者说他处于"确信"这一状态中,而非主动执行某个动作;陈述语气表明这是对历史事实的客观陈述