学习是把知识、能力、思维方法等转化为你的私有产权的重要手段，你的一生，无法离开学习，学习是你最忠实的朋友，它会听你的召唤，它会帮助你走向一个又一个成功。下面就是小编为大家整理的九年级上学期英语知识点，希望能够帮助到大家。
九年级英语知识点总结
Teenagers should be allowed to choose their own clothes.
重点短语
1.get his driver’s license 取得驾驶执照
2.no way没门，不行
3.sixteen-year-olds 十六岁的人
sixteen-year-old 十六岁的
4. be worried about=worry about 担
5. have part-time jobs 做兼职工作
6. get one’s ears pierced 打耳洞
7. get / have / make sth. done 使某物被做……
8. stop doing sth 停止做某事
9. stop to do sth. 停下来去做某事
10. spend time with sb. 花时间和某人在一起
11.take photos, take a photo 照相
12.use a flash 使用闪光灯
13.all night 整夜
14.stay by my side 呆在我身边
15.make sure = be sure 确保，确定
16.keep sb. (away) from sth使某人远离某物
17. hurt oneself 伤害某人自己
18. give sb. a hug = hug sb. 拥抱某人
19.lift sb.up 举起某人
20. cough badly 剧烈地咳嗽
21. talk back 回嘴
22. an adult 一个成人
23. think back to 回想起
24. regret doing sth. 后悔做了某事
25. make one’s own decision 做某人自己的觉得
26.too + adj.+ to do sth. 太…而不能做某事
27.learn…from…从…...学到…...
28.agree with sb 同意某人的观点
29.disagree with sb. 不同意某人的观点
30.move out 搬出去
重点句型
1.I don’t think twelve-year-olds should be allowed to get their ears pierced.
我认为不应该允许12岁的孩子穿耳孔。
2. They talk instead of doing homework.
他们聊天而不是做作业。
3. He is allowed to stay up until 11:00 pm.
允许他们熬到晚上11点。
4. We should be allowed to take time to do things like that more often.
我们应该被允许更加经常的花些时间多做这类事情。
5. What school rules do you think should be changed?
你认为学校的哪些制度应该改一改了?
6. The two pairs of jeans both look good on me.
这两条牛仔裤穿在我身上都适合。
7. The classroom is a real mess.
教室太脏了。
8. Should I be allowed to make my own decisions?
我应该被允许自己做决定吗?
9. Only then will I have a chance of achieving my dream.
只有这样我才能实现我的梦想。
10. They should be allowed to practice their hobbies as much a s they want.
应该允许他们对业余爱好想练多长时间就练多长时间。
11. We have nothing against running.
我们没有理由反对他跑步。
九年级上学期英语课文知识点
所谓垂悬结构(The Dangling Construction)就是一个句子成分，如分词短语，不定式动词短语等，找不到被修饰的主语或被修饰的对象不合逻辑。垂悬结构是种错误的句法，应该避免。
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 several boars.”
(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 saw several 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“the angler”才对。改正方法：
(a) After putting a shrimp on the hook, the fisherman found that the fish began to bite.
(b) After the fisherman had put a shrimp on the hook, the fish began to bite.
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 of belonging”，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 a lot.
(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 a day.
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 that idea.
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)
both…and(既...又...;不但...而且)
not only…but also(不但，而且)
either…or(不是...就是;要么...要么)
neither…nor(既不...也不...)
3.并列连词：
①and 与or;②both …and两者都;③not only…but ...as well as=not only...but also不但…而且;④neither…nor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。②not…but…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 discussion topic.
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 which dictionary I should buy.
Jack did not know where to find such a good teacher./ Jack did not know where 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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