至于什么消费都想到可以买几本书，看起来很爱知识，却是一个非常坏的思维，被它麻醉的人，结局就是很恶俗地以为自己很脱俗。下面小编给大家分享一些人教版八年级下册英语八单元知识，希望能够帮助大家，欢迎阅读!
人教版八年级下册英语八单元知识1
【重点词组】
1.on page 25 在第25页
2. the back of the book 书的背面
3. hurry up 赶快;匆忙
. in two weeks 在两周之内
5. go out to sea 出海
6. an island full of treasures 一个满是宝藏的岛屿
7. w rite about 写作关于……的内容
8. finish doing sth. 做完某事
9. w ait for another ship 等待另一艘船到来
10. learn to do sth. 学会做某事
11. grow fruits and vegetables 种水果和蔬菜
12. a few weeks ago 几个星期前
13. the marks of another man’ s feet 另一个人的脚印
14. not long after that 不久之后
15. run towards sp. 跑向某地
16. use...to do sth. 用……来做某事
17. signs left behind by someone 某人留下的标记
18. read the newspaper 看报
19. science fiction 科幻小说
20. can’ t w ait to do sth. 迫不及待地做某事
21. a good way to wake up 醒来的一个好办法
22. number of people 人数
23. used to do sth. (过去)常常做某事
24. study abroad 在国外学习
25. make sb. do sth. 使某人做某事
26. come to realize 开始意识到
27. ever since then 自从那时起
28. the southern states of America 美国的南部地区
29. belong to 属于
30. be kind to each other 善待彼此
31. trust one another 互相信任
32. the beauty of nature 大自然的美
33. have been to sp. 去过某地
34. do some research on sth. 对……做研究
35. hope to do sth. 希望做某事
36. see sb. do sth. 看到某人做某事
37. the firs t line in the song歌曲的第一行
38. enjoy success in享受……的成功
39. at the end of the day傍晚的时候
人教版八年级下册英语八单元知识2
【重点句型】
1.— Have you read little Women yet? 你读过《小妇人》吗?
— Yes,I have. /No,I haven't. 是的，我读过。/ 不，我没有。
2. — Has Tina read Treasure Island yet?
蒂娜读过《金银岛》这本书吗?
— Yes, she has. She thinks i t 's fantastic.
是的，她读过。她觉得它很棒。
3. Would you like something to drink?
你要来点喝的吗?
4. I heard you lost your key.
我听说你丢钥匙了。
5.She came to realize how much she actually missed all of them.
她开始意识到，事实上她是多么想念他们所有的人。
【语法讲解】
现在完成时 (Present Perfect Tense)
(1)表示过去发生或已经完成的动作对现在造成的影响或结果。
—It’s so dark. 太黑了。
—Someone has turned off the light. 有人把灯关上了。
(2)表示从过去某一时间开始并一直持续到现在的动作或状态。
常与since+过去的时间点，for+一段时间，since+时间段+ego, so far等时间状语连用。
Eg. I have lived here for ten years.我已经住在这里10年了。(从10年前开始，持续到现在还住这儿)
Eg. I have lived here since 2003. 自从2003年我就住在这儿。(从2003年开始，持续到现在还住这儿)
(3) 基本结构及句型转换：主语+have/has+过去分词(done) (当主语是第三人称单数has,其余人称用have。)
①肯定句：主语+have/has+过去分词+其他 I have finished my homework. (肯定句)
②否定句：主语+have/has+not+过去分词+其他 I have not finished my homework. (否定句)
③一般疑问句：Have/Has+主语+过去分词+其他
—Have you finished your homework?
—Yes, I have. / No, I haven’t, (一般疑问句及肯定、否定回答)
(4)has gone (to), has been (to), has been (in) 的区别
? Have/Has gone(to) :去了(现在不在说话现场)
Eg. ---Where is your father?
---He has gone to Shanghai.
? Have/Has been (to) :去过(已不在去过的地方)
Eg. My father has been to Shanghai.
? Have/has been in：呆了多久(还在所呆的地方)
Eg. My father has been in Shanghai for two months. =My father has been inShanghai since two months ago.
(5)现在完成时的标志：
①常与just, already, yet, ever, never, before, so far等连用，强调动作的完成，不强调动作的持续。
Have you ever been to Japan? I have just finished my homework.
②for + 时间段;since + 过去的时间点;since + 段时间 ago;since + 一般过去时的句子。
They have known each other for five years. Since he was a child, he haslived in England.
(6)动词过去式和过去分词的变化
规则变化：1. 一般在动词词尾直接加ed。如：pick → picked → picked; wish → wished → wished; stay→ stayed → stayed
2. 以不发音的e结尾的动词后面加d。如：like → liked → liked; hope → hoped → hoped; phone →phoned → phoned
3. 以―辅音字母 + y‖结尾的动词，变y为i，再加-ed。如：study → studied → studied; hurry → hurried→ hurried; reply → replied → replied
4. 词尾只有一个辅音字母的重读闭音节动词，要双写辅音字母，再加-ed。如：stop → stopped → stopped; clap →clapped → clapped
不规则变化：
5. 以不变应万变。如：let → let → let; put → put → put; read → read → read
6. 若中间有双写e，则去掉一个e，单词末尾再加t。如：
feel → felt → felt; keep → kept → kept; sleep → slept → slept
7. 结尾的字母d变t。如：lend → lent → lent; build → built → built; send → sent →sent
8. 变为以-ought或-aught结尾。如：buy → bought → bought;
bring → brought → brought; catch → caught → caught; teach → taught →taught
人教版八年级下册英语八单元知识3
【话题写作】
请你根据下表中所提供的信息以“Learn to express thanks”为题，用英语写一篇演讲稿。
背 景
1.认为上中学时吃好穿好是应该的;
2.走向社会后没有感恩意识。
学会感恩
1.感谢社会提供良好的教育机会;
2.感谢父母供养自己上学;
3.感谢老师传授知识;
4.感谢朋友的鼓励与帮助。
参考词汇：enter society 进入社会， sense of thanks 感恩意识， behavior 行为
要求：
1.短文应包括所提供的所有内容，可以适当发挥，不要简单翻译;
2.演讲稿中不得出现真实的人名、地名及能够透露你个人身份的信息;
3.词数：80词左右。开头和结尾已给出，不计入总词数。
参考范文：
Good morning, boys and girls!
The topic of my speech today is “Learn to express thanks”. We find somestudents want to eat well and wear fashionable clothes at school. When theyleave school and enter society, they don’t know how to show any sense ofthanks.
I think this behavior is not correct. As students, we should learn toexpress thanks. The society offers us a chance to receive good education. Andour parents also support us to go to school. Our teachers teach us muchknowledge, so we should thank them. We should also thank our friends becausethey can always give us courage and help.
In the future, we should never forget our society, parents, teachers andfriends. At present, we should study harder to make our world more beautiful.Thank you for your listening!
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