神马作文网Playing football is my hobby.这句话里有is,怎么才能区分此句是主谓宾结构还是主系表呢?
来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/23 19:42:18
Playing football is my hobby.这句话里有is,怎么才能区分此句是主谓宾结构还是主系表呢?
系动词引出的成分都是表语.其中系动词最常见的就是be,你提供的这句话既然出现了is,也就是be动词,那么他肯定是主系表结构了.
实意动词+施动对象才是动宾结构.就是你说的主谓宾.
系动词主要有以下几类.
■ 连系动词 be (am,is,are)后根据情况可自由地接不定式作表语：
1).My dream is to be a scientist.我的梦想是当一名科学家.
2).All you have to do is to listen.你只需要听.
■ seem,appear,prove,turn out,grow 等连系动词后也可接不定式(尤其是 to be)短语作表语：
1).The man seemed to be ill.这个人好像病了.
2).The plan proved to be useful.这个计划证明是有用的.
3).He appears to know this.他好像知道这一点.
4).The weather turned out to be fine.天气结果很好.
5).He has grown to like studying English.他渐渐喜欢学英语了.
若所接不定式为to be,通常可以省略to be.
■ sound,smell,feel,taste,become 等连系动词后通常不能接不定式：(也可以理解为用主动表被动）
误：These oranges taste to be good.(应去掉 to be)
误：The roses smell to be nice.(应去掉 to be)
连系动词look后有时也可接to be,但以省略to be为多.
实意动词+施动对象才是动宾结构.就是你说的主谓宾.
系动词主要有以下几类.
■ 连系动词 be (am,is,are)后根据情况可自由地接不定式作表语：
1).My dream is to be a scientist.我的梦想是当一名科学家.
2).All you have to do is to listen.你只需要听.
■ seem,appear,prove,turn out,grow 等连系动词后也可接不定式(尤其是 to be)短语作表语：
1).The man seemed to be ill.这个人好像病了.
2).The plan proved to be useful.这个计划证明是有用的.
3).He appears to know this.他好像知道这一点.
4).The weather turned out to be fine.天气结果很好.
5).He has grown to like studying English.他渐渐喜欢学英语了.
若所接不定式为to be,通常可以省略to be.
■ sound,smell,feel,taste,become 等连系动词后通常不能接不定式：(也可以理解为用主动表被动）
误：These oranges taste to be good.(应去掉 to be)
误：The roses smell to be nice.(应去掉 to be)
连系动词look后有时也可接to be,但以省略to be为多.
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