八年级英语上册第七单元知识点（精编）.docx

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1、Unit7 Will people have robots?一、重点短语on computer 在 电脑上 2. on paper 在纸上 3. live to do 200 years old 活动 200 岁 4. free time 空闲时间 5. in danger 处于 危险之中6. on the earth在地球上7. play a part in sth.参与 某事 8. space station 太空站 9. look for 寻找 10. computer programmer 电脑编程员 11. in the future 在未来 12. hundreds of 许多；成

2、百上千13. the sameas与样14. over andover again屡次；反复地15. get bored感到厌烦的16. wake up醒 来 17. fall down 倒塌二、习惯用法动词原形将要做fewer/more+可数名词复数 更少/更多 1. less/more+不可数名词更少/更多 have to do sth.不得不做某事2. agree with sb.同意某人的意见such+名词（词组）如此3. play a part in doing sth.参与做某事try to do sth.尽力做某事4. There will be +主语+其他将会有There i

3、s/are +sb. /sth. +doing sth.有 正在做某事5. make sb. do sth.使（让）某人做某事help sb. with sth.帮助某人做某事6. It s+ adj. +for sb. to do sth.对某人来说，做某事的。三、词语辨析：1. . every与each的区别：every用来表整体，each用来表个别。each最低需是两个，every 最低需是三个。every adj.every作主语用单数，each可单也可复，作主、作定用单数，其他 情况用复数。each adj. / pron.Every teacher knows her.There

4、are lots of trees on each side of the road.Each of the road has a dictionary.2. on the earth在地球上，作地点状语，位于句首或句末。on earth究竟，到底。用于疑问句或副词后，加强语气。All the living things on the earth depend on the sun. / What on earth do you mean?3. human,指包括男人女人孩子的“人,人类”,有别于动物, 自然景物，机器等的特殊群体，也可指具体的人。person,无性别之分，常用于数目不太大，而

5、且数目比拟精确的场合。people,泛指“人们”，表示复数概念。man,前不带冠词而且单独使用时，指“男人” ，a man可指 “ 一个人/ 一个男人”,复数形式为men.He was the only human on the island.There are only three persons in the room.There are many people there.Man is stronger than woman.4. seem连系动词，好像，似乎，看来。有下面几种用法： seem + 名词看起来。 He seems a nice man.seem like 好像，似乎。 I

6、t seemed like a good idea at the time.seem to do sth.似乎/看起来/好像做某事。I seem to have left my book at home.It seems/seemed that 看起来好像 ，似乎 .He was very happy.seem to be +形容词/名词=seem +形容词/名词。She seems to be happy. = She seems happy.5. probably、maybe相当于perhaps.也许，大概，可能。作状 语.probably 用于句中,可能性最大。He will proba

7、bly come tomorrow, maybe/perhaps 用于句首。Maybe/Perhaps you are right.6. during / for / in介词，在期间。说到某事是在某一段时间之间发生的用during；说到某事持续多久那么用for；说到某事具 体发生的时间用in.We visited many places of interest during the summer holiday. 四、重点句子1. Do you think there will be robots in people1 s homes? 你认 为人们家里将会有机器人吗？2 . Will pe

8、ople live to be 200 years old?人们会活到 200 岁 吗？3 . What will the future be like?将来会是什么样子？五、语法：动词的一般将来时一般将来时结构：1、肯定式：主语+ will/shall +动词原形+其他。will用于各种人称，shall用于第一人称。主语+ be going to +动词原形+其他。be随人称、数和时间的 变化而变换。2、否认式： 在 will/shall/be 后面加 not. will not = won, t .3、一般疑问句:将will/shall/be提到主语前面。There be句型的一般将来时：

9、不与have连用There will be +主语+其他,意为：将会有。There won t be +主语+其他，将不会有一般疑问句形式为：Will there be +主语+其他。肯定回答是：Yes, there will.否认回答是：No, there won, t. 特殊疑问句是：疑问词/词组+ 一般疑问句？When will there be a nice basketball match?【语法解析】一般将来时：1、概念：（1）表示将要发生的动作或存在的状态。We shall go to see him tomorrow.（2）表示将来经常或反复发生的动作。From now on

10、I shall come every day.2、结构：1）主+be going to +V原形+其他2 ）主+助动词shall / will + V原形+其他.3、句中的时间状语：tomorrow 明天；next week/month/year 下 周/月/年；in+时间段：多长时间之后；the day after tomorrow 后天；There be句型的将来时：“（某地）将有某物1）、There will be+ 名词（不与 have 连用）（一般疑问句：Will +there be-肯：Yes, there will；否：No, there won, t.）2）、There is

11、going to be+ 名（单）/ 不可数名There are going to be+ 名（复）一般将来时和be going to表示将来1 ）表达一种事先计划或打算时（说话人打算在将来做某事因为在 过去他或她已制定了一个计划或决定去做 这件事）,只能用be going to.2）表达意愿时,只能用will.拓展：将来时也可以用现在进行时“be + V-ing ”来表达，表 示按计划和安排即将发生的动作，语气较婉转，动词多是一些“来、去”的位移动词。如:go, come, leave, start, move, arrive, reach, return, drive, travel, l

12、andHe is leaving for Beijing tomorrow.他明天去北京。The plane is landing soon.飞机即将着陆。一、知识点讲解.许多many+可数名词比拟级more最高级mostmuch +不可数名词少许（否）few ：比拟级fewer最高级fewest +可数名（否）little：比拟级：less最高级least +不可数名词（肯）a few / a little、 live to be基数词+ years old “活到 岁”3、be in great danger处在极大的危险中4、play a part in +名/代/V-ing.参与某事/

13、做某事 Everyone should play a part in saving the earth.5、help sb. with sth.帮助（做）He often helps me withmy English.help sb. （to） do sth.帮助做He often helps me studyEnglish.help oneself （ to ）自用（食物等）Help yourself to the fish. 请随便吃鱼6、动词后跟形容词的情况（构成系表结构）1 ）表状态的动词：be/seem/keep/stay I exercise to keep healthy.2）

14、感官动词：sound/look/taste/feel That sounds great.3 ）表变化的动词：get/become/turn The robots never get bored.7. make sb.（代词为宾格）do（让） （做）He madeTom laugh.使役动词是表示“使、令、让、帮、叫”等意义的不完全及物动 词，还有 leave, get , keep , make（ 使，令）， let （ 让 ）, help（帮助）等。1 ） make / let +sb. +do sth.2 ） get / leave + sb. to do / doing sth.3 ）

15、 leave sb. doing让继续处于某种状态Don1t leave her waiting outside in the rain.8. the same as 和一样反义短语：be different fromIt takes / took / will take sb. some time to do sth. 某人 花了时间做某事（时态根据具体情况决定）It takes me an hour to get to my office.spend time / money on sth.在 上花费时间（金钱）。人 sb. +spend time / money （in） doing s

16、th.花费时间（金钱） 做某事。I spent two hours on this math problem.这道数学题花了 我个小时They spent two years building this bridge.造这座桥花 了他们 两年时间。9. hundreds of ”许多；大量” +名词复数 数词+hundred 多少百”类似的数词还有thousand （千），million （万）There are four hundred students in our grade. 我们年级有 400 名学生There are hundreds of tourists in Beijing every year.10. during ”在 期间 during the vacation/the daytime /the weekendthe meaning of ” 的意思 Can you tell me the meaning of the words?