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all of his friends discourages him from making such a danger

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/27 21:59:46
all of his friends discourages him from making such a dangerous investment.
请问这句话是否有问题,尤其那个介词 from.
另:the stronger the motivation,the more likely it will be that a person will succeed.
这句话that引导的是否是表语从句,请简单介绍一下表语从句.
1.这句话没有问题.
discourage from
使打消念头,劝阻(某人)不要,劝戒;阻止:
如:She discouraged me from undertaking the work.
她劝我别承担那份工作.
2.此句中that引导的不是是表语从句.这是用it 替代主语从句的句式.
①在主从复合句中,位于系动词之后且充当表语的从句叫做表语从句.
②最常见的表语从句形式就是联系动词be+表语从句.
除be以外,可用于表语从句的联系动词有seem,look,appear,sound,remain等.
③连接表语从句的连接词主要有以下几类:
从属连词:that和whether.两者在表语从句中不做任何成分,that无实意,whether仍保留 是
否的意义.
连接代词:主要有who,whom,whose,what,which,whoever,whosever等.
连接副词:主要有when,where,why,how,whenever,wherever,however等.
其他连接词:because,as if,as though,as,like等连接词也可引导表语从句.
3.表语从句中需注意的问题.
①reason作主语时的表语从句:主语为名词reason时,表语从句的连接词要用that.
如:The reason for such a serious accident is that the driver was too careless and drunk.
②表语从句中的虚拟语气:如果主句的主语是idea,advice,suggestion,order,request等名词时,
表语从句的谓语则应用虚拟语气,即主语无论是单数或复数,谓语一律用 should+动词原形
的形式,should可省略.
如:My suggestion is that we (should) have a discussion about this matter insread just
laying it aside.