高二英语知识点归纳
学习必须讲究方法，而改进学习方法的本质目的，就是为了提高学习效率。学习效率的高低，是一个学生综合学习能力的体现。在学生时代，学习效率的高低主要对学习成绩产生影响。下面是小编给大家带来的高二英语知识点归纳，希望大家能够喜欢!
高二英语知识点归纳1
1. Instead of spending your vacation on a bus, ... you may want to try hiking. Instead和instead 0f的用法
2. Say "Hi" / "Hello" / "Thanks" to sb. (for me) 问候的句型
3. Is anybody seeing you off? 进行时表将来
4. She struggled and struggled, and could not get on her feet. (= keep struggling)
5. You should not go rafting unless you know... unless引导条件状语从句，相当于if... not
6. By staying at..., tourists can help the villagers make money so that they can take care of the fiver and the birds. 目的状语从句
7. She was so surprised that she couldn't move. 结果状语从句
8. Tree after tree went down, cut down by water. 过去分词作状语
9. The next moment, the first wave swept her down, swallowing the garden. 现在分词作状语
10. However, before she could think twice, the water was upon her. It didn't take long before the building was destroyed. before的用法
高二英语知识点归纳2
一、不定式做主语：
1、不定式做主语一般表示具体的某次动作。===动名词doing 表示习惯的，经常的动作。
e.g: To finish the building in a month is difficult.
To do such things is foolish.
To see is to believe. (对等)
注: 1). 不定式作主语时,谓语用单数
2). 当主语较长，谓语较短时，常用it做形式主语，而将不定式放到谓语的后面。
it做形式主语，不定式放在谓语动词之后常用于下列结构中：
(1)It is/was +adj.+of sb. to do…
(2) It is +adj.+for sb.+to do…
It is easy / difficult / hard / foolish / unwise / right / wrong / unnecessary
(3) it is +a +名词+ to do...
It is a pity / a pleasure / a pleasant thing / one’s duty / an honor / a shame / a crime / no easy job… to do
It takes (sb.) some time / courage / patience …to do…
It requires courage / patience / hard work… to do…
_注意: probable 和 possible 均可作表语，但possible可以用不定式作真实主语， 而probable不能用不定式作真实主语。
It is probable for him to come to the meeting.(错)
It is possible for him to come to the meeting.
It is possible / probable that he will come to the meeting.
二、不定式做表语
主语是以aim duty hope idea intention plan job suggestion wish purpose task 等为中心词的名词词组 或以 what 引导的名词性从句表示，后面的不定式说明其内容, 不定式作表语常表示将来或现在的动作或状态。
eg :My idea is to climb the mountain from the north.
Your mistake was not to write that letter.
What I would suggest is to start work at once.
三 、动词不定式作宾语
以不定式结构为宾语的动词有：
ask, agree, care, choose, demand, decide, expect, fail, help, hope, learn, manage, offer, plan, prepare, pretend, promise, refuse, want, wish等只能用动词不定式作宾语
口诀(接不定式作宾语的动词)
想要学习 早打算( want learn plan)
快准备 有希望( prepare hope wish expect)
同意否 供选择(agree offer choose)
决定了 已答应(decide be determined promise)
尽力去 着手做(manage undertake)
别拒绝 别假装(refuse pretend)
失败不是属于你(fail)
e.g.Tom refused to lend me his pen.
We hope to get there before dark.
The girl decided to do it herself.
高二英语知识点归纳3
介词又叫前置词，是一种虚词。
介词分为三种，一种是简单介词，如 at, in, on, beside, to , for 等;另一种是短语介词，即由两个以上的词组组成的短语，in front of, because of, out of, instead 如 of 等;还有一种二重介词，如 until after, from behind 等。
(一) 介词的句法功能：介词不能独立在句中做成份，介词后必须与名词、代词、或动名词构成介词短语在句中充当 一个成份，表示人、物、事件等与其它人、物、事件等之间的关系。
1、 作定语： The book on the table is mine.
2、 作状语： have breakfast at seven. We (表时间)They were late for meeting because of the heavy ; rain.(表原因) ;They started the machine by pressing the button.(表方法)
3、 作表语： My dictionary is in the bag.
4、 作宾语补足语： I found him in the office.
(二) 1.表示时间的介词
(1) in表示“在某一时间段”或“在某一时候”，如用在月、季、年份、时代、世纪等时间名词的前面，或用来泛指一天的某一段时间。in也可以指“在……之后”，表示从说话起的若干时间内。
如： in July/summer/2000/ancient times
The bus will be here in ten minutes.
(2) on表示“在特定的某一天”，也可用于带有修饰语的一天的某个时间段之前。如：on Saturday, on Saturday morning, on the morning of August 1st
(3) at表示“在某一时间点”，或用来表示不确定的时间和短期的假日、时节等。
如：at six o'clock, at Easter
(4) over, through (out)两者均指“经过的全部时间”。
如：Stay over the Christmas.
(5) for与since：for表示动作或状态延续的全部时间长度，为“长达……”之意;since用于指从过去特定的某个时刻到说话时为止的一段时间;含有since时间短语的句子要用完成时，但含有for时间短语的句子不一定要用完成时。
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