九年级上学期英语课文知识点

下面是三种常见的垂悬结构及其改正方法： ⒈垂悬分词或分词短语，如：

①Climbing up the hill, several boars were seen.

这句子里的现在分词短语(present participial phrase)修饰主语“several boars”是错的;改正方法有二：

(a)确定是逻辑主语，使句子变成“Climbing up the hill, the explorers saw severalboars.”

(b)把现在分词短语扩大为副词分句(也称状语从句)：“When the explorers climbed up the hill, they sawseveral boars/ several boars were seen.”

⒉垂悬副词短语，如：

After putting a shrimp on the hook, the fish began to bite. 这句的副词短语(adverb phrase)和主语“the fish”有什么逻辑关系呢?真正的逻辑主语应该是“the fisherman”或“theangler”才对。改正方法： (a) After putting a shrimp on the hook, the fisherman found that the fishbegan to bite.

(b) After the fisherman had put a shrimp on the hook, the fish began tobite.

⒊垂悬不定式动词短语，如：

To write well, a lot of practice is needed.

To be a loyal employee, a sense of belonging is a must.

这两个句子的不定式动词短语(infinitive phrases)并不能修饰“practice”和“a sense ofbelonging”，真正的主语必须是“ 人”，如：

(a) To write well, one needs a lot of practice/a person has to practise alot.

(b) To be a loyal employee, he or she must have a sense of belonging. 上述三类垂悬结构中，第一类发生的频率，必须注意。但是在下列三种情况下，分词短语是对的，它们并非垂悬结构：

第一，独立结构(The Absolute Construction，见3月7日《中英合谈》)中的分词短语有自己的主语，所以不是垂悬结构。例如：

Such being the case, we can go home now./it is not wrong to call it aday.

第二，当分词含有介词或连词性质时，它不需要逻辑主语，所以没有垂悬问题存在。例如：

Owing to a lack of funds, the project has to be discontinued. Provided that there is sufficient time, everyone can do the job better.

第三，当分词短语是用来表示说话者的态度或意见时，也不需要逻辑主语，因此也不存在着垂悬问题。例如：

Judging from his facial look, the news must have been terrible. Taken as a whole, there is nothing wrong with the logic behind thatidea.

九年级上学期英语课文关键知识点 连词及其用法

1.连词是一种虚词，它不能独立担任句子成分而只起连接词与词，短语与短语以及句与句的作用。

2.常见的连词

and(和，与;而且;于是，然后;因此)

but(但是;通常用not...but...不是...而是...;可是,然而;表示惊讶，不同意等--喔，哇;用来加强语句重复部分的语气--一定;用来引入新话题--那就;常用

于否定句--而不，若不;用于含doubt,question等字的否定句中相当于that--对于)

or(或者，还是;用于否定句或问句--也不;否则，要不然;也就是说，换言之) nor(用在neither之后--也不;用在no,not,never之后--也不;用在句首，句子需倒装--也不)

so(因此，所以;因而，从而) yet(可是，却，然而) for(因为，由于)

bothand(既...又...;不但...而且) not onlybut also(不但，而且) eitheror(不是...就是;要么...要么) neithernor(既不...也不...) 3.并列连词：

①and 与or;②both and两者都;③not onlybut ...as well as=not

only...butalso不但而且;④neithernor意思为\"既不也不\"谓语动词采用就近原则，与nor后的词保持一致。

4.转折或对比连词

①but表示转折，while表示对比。②notbut意思为\"不是而是\"。 宾语从句

1.宾语从句，是名词性从句的一种。

在主从复合句中充当宾语，位于及物动词、介词或复合谓语之后的从句称为宾语从句。宾语从句分为三类：动词的宾语从句，介词的宾语从句和形容词的宾语从句。

2.宾语从句的引导词有三种： (1)以that引导的宾语从句：

that引导的宾语从句一般都是由陈述句充当，引导词that没有实际意义，不在从句中作任何成分，that可以省略，而且从句成分齐全，句意完整。

Do you think (that) it will rain? 你认为天会下雨吗? He said (that) he could come on time.他说他会准时来的。 (2)以whether或if引导的宾语从句：

从属连词if,whether引导的名词从句是由一般疑问句或选择疑问句转化而来的，变成从句后，语序由原来的倒装语序变成陈述语序。whether和if意为“是否”。

Let us know whether / if you can finish the work before Friday. 请让我们知道你是否能在星期五以前把工作做完。 I don’t care whether you like the story or not. 我不在乎你是否喜欢这个故事。

(3)特殊疑问词what/ when/ where/ who等引导的宾语从句：

此类宾语从句原来是特殊疑问句，变成宾语从句后要用陈述语序，由wh-开头的疑问词引导。包括who, whom, whose, what,which等连接代词和where, when, how, why等连接副词，这些引导词有各自的意思，在从句中要作相应的成分，不能省略。例如：

Could you tell me which gate we have to go to? 请问我们得走哪个门?

He didn’t tell me how long he would stay here. 他没有告诉我他要在这里呆多长时间。

九年级上学期英语课文知识点归纳 疑问词是疑问代词“who, whom, what, which, whose”和疑问副词“when, where, how, why”。此外，连接词“whether”也适用。

“疑问词+不定式动词”结构有何功用呢?其主要功用有下列五种： ⑴当主语，如：

When to hold the meeting has not yet been decided. Where to live is a problem.

How to cope with the rising cost of living becomes a daily discussiontopic.

⑵当宾语，如：

We must know what to say at a meeting. He could not tell whom to trust. Do you know how to play bridge? ⑶当补足语，如：

The problem is where to find the financial aid. The question is who to elect. ⑷当名词同位语，如：

Tom had no idea which book to read first. Do you have a rough impression how to do it? ⑸当宾语补足语，如：

Jim is not sure whose to choose.

Mary and John are not certain whether to get married or not. 适用于“疑问词+不定式动词”的动词包括：“know, see, decide, tell, ask, consider, discover,explain, forget, guess, hear, imagine, inquire, learn, remember, think, wonder,understand”等。

有点值得特别注意的是：当这结构当宾语时，它的作用等于名词分句，例如： I could not decide which dictonary to buy./ I could not decide whichdictionary I should buy.

Jack did not know where to find such a good teacher./ Jack did not knowwhere he could find such a good teacher.

有些动词，如“ask, show, tell, advise, inform,teach”等，可以先有个宾语，然后才接着加上适当的“疑问词+不定式动词” 结构。例如：

The chief technician showed the apprentice how to repair the machine. Have you told him where to get the application form?

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