讲下英语中定语从句 宾语从句 以及其他类似句子的判断

讲下英语中定语从句 宾语从句 以及其他类似句子的判断

1.主语从句：主语从句在整个句子中作主语。 (1)主语从句中的that不充当句子的成分，只是单纯的连接词，通常不省略。分句置于句首时，that绝对不可以省略。 That the driver could not control his war was obvious. It was obvious that the driver could not control his car. 2.表语从句：表语从句出现在系动词后，充当表语。 The trouble is that we are short of money. Go and get your coat. It’s where you left it. 引导表语从句除了上述三类词外还有because, as if/ as though等等 The reason (why/for which…..) is that …… It/This/That is because…… 连系动词“appear, look, seem”的两个常用句型 It seems/appears that…. It looks/seems as if/as though……(与事实相符用陈述语气，与事实相反用虚拟语气) 3. 宾语从句：（that可以省略）及物动词，形容词和介词后加宾语从句作其宾语。 宾语从句时态与主句相呼应，但宾语从句表示的是客观真理或普遍现象除外 The teacher told us (that) the earth moves around the sun I am afraid (that) I have made a mistake. He will have to pay for what he has done. 当宾语从句后带宾补时，要用“主语+谓语+it +宾补+that+从句, that不可省略 I think it certain that she will do well in her exam. that在宾语从句常可以省略，但由and或 but连接两个或多个宾语从句时，仅可以省略第一个连词that He said (that) he had eaten nothing and that he wasn’t hungry. 注意区别if引导的宾语从句和条件状语从句 I don’t know if he will come. （if是否） If he comes, I’ll let you know. （if 如果） 4.同位语从句：（that不可省略）对前面的名词进一步说明 再答： 定语从句用来充当句中定语的主谓结构；它主要用于修饰句子中的名词、代词。而定语从句的位置常常是紧跟在被修饰的名词、代词的后面。在被修饰的名词、代词与定语从句之间往往有一个关系词将其前后两部分联系成一个整体，或是构成一个名词短语；或是构成一个代词短语。但从结构上说，关系词与从句是一个整体。排除句子的其他各部分，这种带有定语从句的名词短语或是代词短语的构成可演示如下： 1）three signs that indicate a person is suffering from a panic attack rather than a heart attack 三种意味着一个人是患有惊恐症而不是心脏病的迹象在这个带有定语从句的名词短语中： signs是：被修饰的名词； that是：关系词； that indicate a person is suffering from a panic attack rather than a heart attack是定语从句
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