人教版英语必修一知识点

　　英语是高中的基础学科，那么必修一英语都有哪些知识点呢?接下来学习啦小编为你整理了人教版英语必修一知识点，一起来看看吧。

　　人教版英语必修一知识点：陈述句的变化规则

　　直接引语如果是陈述句，变为间接引语时，用连词that(可省略)引导，从句中的人称、时态、指示代词、时间状语、地点状语都要发生相应的变化。

　　人称的变化——人称的变化主要是要理解句子的意思

　　例：1. He said, “ I like it very much.” → He said that he liked it very much.

　　2. He said to me, “I’v left my book in yourroom.”

　　→ He told me that he had left his book in my room.

　　时态的变化

　　例：

　　“I don’t want to set down a series of factsin a diary,” said Anne.

　　→Anne said that she didn’t want to set down a series offacts in a diary.

　　The boy said, “I’m using a knife.”

　　→ The boy said that he was using a knife.

　　▲注意：如果直接引语是客观真理，变为间接引语时，时态不变，如：

　　He said, “Light travels much faster thansound.”

　　He said that light travels much faster thansound.

　　指示代词、时间状语、地点状语和动词的变化

　　人教版英语必修一知识点：疑问句的变化规则

　　如果直接引语是疑问句，变为间接引语时要把疑问句语序变为陈述句语序，句末用句号。

　　一般疑问句：如果直接引语是一般疑问句，变为间接引语时，谓语动词是say或said时，要改为ask 或asked,原问句变为由if/whether引导的宾语从句。例:

　　“Do you think a diary can become your friend?”the writer says.

　　→ The writer asks us if we think a diary can become ourfriend.

　　2) 特殊疑问句：如果间接引语是特殊疑问句，变为间接引语时，仍用原来的引导词，但疑问句要变为陈述句。例：

　　“What do you want?” he asked me.

　　→ He asked me what I wanted

　　人教版英语必修一知识点：定语从句

　　概念：在复合句中，修饰名词或代词的从句叫做定语从句。

　　成分：先行词，即被定语从句修饰的名词或代词;关系代词：that，which，who(宾格为whom,所有格为whose);或者关系副词where，when，why等。关系代词或关系副词处在先行词和定语从句之间，起着连接主从句的作用。

　　1.关系代词that的用法

　　关系代词that在定语从句中既能指人，也能指物;既能做主语，也能做宾语

　　例：1)A plane is a machine that can fly. (指物，作主语)

　　2)The noodles (that) I cooked were delicious.(指物，作宾语)

　　3)Who is the man that is reading a book overthere? (指人，作主语)

　　4)The girl (that) we saw yesterday was Jim’ssister,(指人，作宾语)

　　2. 关系代词which的用法

　　关系代词which在定语从句中只能指物，但既可以做宾语也能作主语

　　例：1)They planted some trees which didn’t needmuch water. (作主语)

　　2)The fish (which) we bought this morningwere not fresh. (作宾语)

　　3. 关系代词who，whom的用法

　　关系代词who,whom只能指人，在定语从句中分别作主语和宾语

　　例：1)The foreigner who helped us yesterday isfrom USA.(作主语)

　　2)The person to whom you just talked to isMr. Li. (作宾语)、

　　4. 关系代词whose在的用法

　　关系代词whose为关系代词who的所有格形式，其先行词既可以是人也可以是物，whose和它所修饰的名词在定语从句中既可以做主语也可以做宾语。

　　例：1)This is the scientist whose name is known all over theworld. (指人，作主语)

　　2) The roomwhose window faces south is mine. (指物，作主语)

　　3)He has written a book whose name I’veforgotten. (指物，作宾语)

　　5. 关系副词when的用法

　　关系副词when在定语从句中作时间状语

　　例：1)I’ll neverforget the time when (=during which) we worked on the farm.

　　2) Do you remember the afternoon when (=onwhich) we first met three years ago?

　　6.关系副词where在定语从句中的用法

　　关系副词where在定语从句中做地点状语

　　例：1)This is the place where( =at/ in which) wefirst met.

　　2) The hotel where (= in which ) we stayed wasn’t very clean.

　　7.关系副词why在定语从句中的用法

　　关系副词why在定语从句中作原因状语

　　例: 1). I didn’t get a pay rise, but this wasn’t thereason why(= for which) I left.

　　2). The reason why (=for which) he has late was that he missed thetrain.

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