单词是学习英语最重要的部分，因为只有背诵好单词，你才能学好英语。有些学生不喜欢背诵单词，因为他们会觉得背诵单词很麻烦。他们为什么要背诵单词？一旦他们对单词有叛逆的情绪，你可能不会背诵单词。注意不要有这种情绪。让自己从心底爱上单词，这样你就可以背诵单词。
高三英语必须背诵知识点
一般过去时】
1. 表示过去某一时间发生的动作或存在状态。
[例句] She went to the zoo yesterday.
2. 取代过去和未来的时间和条件状语从句。
[例句] He said when she came he would tell her.
【一般未来】
1. 表示未来的动作或存在状态， 常与表示未来时间状语相连。
[例句] I don’t know what will happen in the future.
2. 表示未来的结构包括：
(1) shall / will 动词原形:(简单) 表将来, 一般不用于条件句。
(2) be going to 动词原形:(计划)计划……。
(3) be about to 动词原形:即将或即将做某事，通常不与时间状语相连，但可以与之相连when引导从句连用。
(4) be to 动词原形：预定要做……。
(5) be doing 根据计划和安排即将到来的行动，通常与go, start, set out, leave, reach, arrive,
return, come, move等表位移动词连用。
现在完成时
1. 表示过去发生或完成的行动对现在的影响或结果。
[例句] —Have you had your supper yet? —Yes, I have just had it.
2. 常与介词for, during, in, within, over等待时间状语的引导， 这意味着过去的行为一直延续到现在。
[例句] I haven’t seen my English teacher for a long time.
3. 表示重复或习惯性的动作， 常与several times, once, twice, frequently等频副词连用。
[例句] I have been to the USA several times.
4. 表示从过去到现在从未发生过的动作。
[例句] I haven’t swept the floor for a week.
5. 用于时间和条件状语从句， 表示从句动作先于主句动作。
[例句] I’ll tell him after you have left.
6. 在“级 或者这是第一次…然后用定语从句，从句用现在完成。
[例句] ①This is the third time I have been there.
②This is the best tea I have ever drunk.
【过去完成时】
1. 表示在过去的某一刻之前已经开始并延续到这一刻，或者在此刻之前已经完成的动作。
[例句] By the end of last term, we had learned 1,000 English words.
2. 有些动词 (如： hope, think, expect, mean, intend, suppose, want等)
过去的完成可以表达过去未实现的希望、计划或意图。
[例句] I had hoped to see more of Beijing.
总结高三英语知识点
各种时态的被动语态
被动语态概述
被动语态的概念：它是动词的一种形式，表示主语与谓语之间的执行或被执行关系。主动语态表示主语是谓语动作的执行者，例如：They saw the
little boy crying by the river. 被动语态表示主语是谓语动作的承载者，例如：The little boy was seen
crying by the river.
构成被动语态
被动语态的形式是助动词be 构成动词的过去分词。be随着主语的人称、数、时态等而变化。常见时态的几种被动语态形式如下:
1. 一般现在时 am/is/are 过去分词
例如：Rice is planted in the south of China.
2. 一般过去时 was/were 过去分词
例如：These trees were planted the year before last.
3. 一般将来时 will/shall be 过去分词
例如：A sports meeting will be held next week in our school.
4. 现在进行时 am/is/are being 过去分词
例如：Your radio is being repaired now.
5. 过去进行时 was/were being 过去分词
When he got there, the problem was being discussed.
6. 现在完成时 have/has been 过去分词
His work has been finished.
Has his work been finished? Yes, it has. / No, it hasn’t.
7. 过去完成时 had been 过去分词
