八年级下册英语第三单元知识点？Unit 3 What were you doing when the UFO arrived?重点语法：过去进行时态 do/does 的过去进行时态形式：(was/were) doing do/does 的过去进行时态的被动语态：(was/were) being done 过去将来时态的肯定句、那么，八年级下册英语第三单元知识点？一起来了解一下吧。
新课标八年级英语下册各单元知识点汇编 Unit 1 一、本单元能力目标 1. 学会运用 will 表示一般将来时； 2. 掌握一般将来时的一般问句及其简略回答； 3. 理解 more, less 和 fewer 表示量的用法； 4. 比较一般现在时、一般过去时和一般将来时的用法； 二、本单元知识点 1. paper 【讲解】⑴ 名词，纸。纸张，不可数。 【举例】—Can you pass me some paper? ⑵ 报纸，试卷，论文，报告，文件，可数。 【举例】—What news is there in the papers this morning? 今天早上报纸里有点什么新闻? 【拓展】 paper flower 纸花 ，paper-cut 剪纸 ，a piece of paper 。 2. use 【讲解】⑴动词， “用，使用，利用” 【举例】—May I use your pen? 我用一下你的笔可以吗? —He uses a clock to wake him up . ⑵ 名词， “用途,，使用” 【举例】—These dictionaries are of great use . 这些词典十分有用。
Unit 3 What were you doing when the UFO arrived?
1. in front of 在……（范围之外）的前面 in the front of 在……（范围之内）的前面
2. barber shop 理发店
3. get out of 到……外，离开
4. walk down/along 沿……走
5. call the police 报警
6. take off (飞机)起飞；脱（衣帽）
7. an unusual experience 一次不寻常的经历
8. the Museum of Flight 航空博物馆
9. take photos 照相
10. a police officer 警官
11. run away跑开，逃跑
12. walk around 四处走走
13. think about 考虑，思考，回想
14. Beijing Iternational Airport 北京国际机场
15. at the doctor’s 在医务室，在诊所
16. in (the) hospital 在医院，在住院
17. in history在历史上
18. the city of ……城，……市
19. hear about/of 听说，得知
20. ask sb. (not) to do sth. 叫某人（不要）做某事
21. in silence沉默不语
22. take place发生
23. the World Trade Center 世贸中心（美国）
24. in space 在太空
25. a national hero 民族英雄
26. all over the world = around the world 全世界
What were you doing when I arrived/at that time/at 8:00 last night/from 9:00 to 10:00 yesterday?
1.\x09I was doing sth.When+一般过去时的时间状语从句...
2.\x09How about.../ What about...
3.\x09While sth./sb.was doing sth.,I was doing sth.
4.\x09当不明飞行物着陆时,你正在干啥?What were you doing when the UFO landed?
5.\x09当妈妈正在做饭时,我在看电视.While my mother was cooking ,I was watching TV.
6.\x09I was walking down the street when a UFO landed right in front of me.
7.\x09You can image how strange it was.
8.\x09 I followed to see where it was going.
9.\x09Isn’t that amazing!
10.\x09She didn’t thinking about looking outside the station.
arrive at/in到达
in frontofthelibrary在图书馆前面
in the kitchen 在厨房
Unit 1 Will people have robots?
重点语法：一般将来时态的应用
do/does 的一般将来时态形式：(shall/will) do
do/does 的一般将来时态的被动语态：(shall/will) be done
一般将来时态的肯定句、否定句、疑问句形式：
肯定句例句：People will have robots in a few years.
否定句例句：People (will not/won't) have robots in a few years.
一般疑问句例句：Will people have robots in a few years?
特殊疑问句例句：What will people have in a few years?
Unit 2 What should I do?
重点语法：过去将来时态（将来时态的委婉说法）
do/does 的过去将来时态形式：(should/would) do
do/does 的过去将来时态的被动语态：(should/would) be done
过去将来时态的肯定句、否定句、疑问句形式：
肯定句例句：You should write a letter to him.
否定句例句：You shouldn't write a letter to him.
一般疑问句例句：Should I write a letter to him?
特殊疑问句例句：What should I do?
Unit 3 What were you doing when the UFO arrived?
重点语法：过去进行时态
do/does 的过去进行时态形式：(was/were) doing
do/does 的过去进行时态的被动语态：(was/were) being done
过去将来时态的肯定句、否定句和疑问句形式：
肯定句例句：I was walking down the street when a UFO landed.
否定句例句：I wasn't walking down the street when a UFO landed.
一般疑问句例句：Were you walking down the street when a UFO landed?
特殊疑问句例句：What were you doing when a UFO landed?
动词 when 和 while 的选择：when 后加瞬间动词，while 后加延续性动词。
以上就是八年级下册英语第三单元知识点的全部内容，新课标八年级英语下册各单元知识点汇编 Unit 1 一、本单元能力目标 1. 学会运用 will 表示一般将来时； 2. 掌握一般将来时的一般问句及其简略回答； 3. 理解 more, less 和 fewer 表示量的用法； 4. 比较一般现在时、一般过去时和一般将来时的用法； 二、。
