八年级上册英语前六单元知识点总结，越详细越好（包括单词，短语和语法）大家帮帮忙吧！！！！！！！！！
重点短语：1.on weekends 2.on weekdays 3.as for 4.my eating habits 5.have a healthy lifestyle 6.the same as 7.the result of 8.junk food 9.get good grades 10.see a dentist 11.have a healthy habit 12.be stressed out 3.a balanced diet 14.for example 15.at the moment 16.be sorry to do sth 17.go bike riding 18.take walks=go for walk 19.take a vacation 20.plan to do sth 21.western country 22.take sth with sb 23.depend on 24.host family 25.hardly ever 6.ask sb about sth 27.get back to school 8.a balance of 29.kind of
1.want sb to do sth 想要某人干某事
2.try to do sth尽力干某事
3.try not to do sth尽力不干某事
4.try one’s best to do sth尽某人最大努力干某事
5.although /though 引导让步状语从句，“即使，虽然”，不能与but 连用，但可与yet, still 连用。
6.finish doing sth 结束干某事
7.can’t wait to do sth 迫不及待地干某事
8.decide 的用法
1).decide to do sth 决定干某事
2).decide not do sth 决定不干某事
3).decide on doing sth 决定干某事
9.make a decision to do sth = make up one’s mind to do sth = decide to do sth
10.plan to do sth 计划干某事
11. think about doing sth 考虑干某事
12.go + v-ing 的用法:
13. It’s + adj +for /of sb to do st
2).It’s +adj +of sb +to do sth = Sb +be +adj + to do sth
Unit4---Unit6
重点短语：
1.take the subway 2.all over/around the world .be different from 4.on the school bus 5.study for a test 6.go to the doctor=see a doctor 7.have a piano lesson 8.the day after tomorrow 9.keep quiet /be quiet 10.come over to 11.be free=have time 12.in some ways 13.look the same 14.in common 15.do the same things as sb.16.use sth to do sth 17.begin with 18.in one’s free time 19.the bus /train /subway station 20.another time 21.means of transportation 22.all kinds of 23.depend on 24.go to concert 25.keep quiet 26.primary school.
1.有关交通工具的同义句：
1).take the train to … =go to …by train
take the bus to …= go to …by bus
2).fly to … = go to … by plane /air
walk to …. = go to …on foot
ride a bike to … = go to …. by bike
2.
有关花费时间的句型：
1).It +takes +sb.+时间+to do sth
2).sb. +spend +时间+on sth (in doing sth
3. 表示两地相距有多远：
A +be +距离 +from +B = It’s +距离+from A+ to B.
4. leave ,leave for , leave … for …
1).leave +地点 “离开某地”
2).leave for +地点 “前往某地”=go to +某地
3).leave +某地+for +某地 “离开某地前往某地
5. all …not = not all “并非都” 部分否定
注：not 与all /both /every ….. 连用构成部分否定。
5. the number of / a number of
1).a number of 许多 = a lot of /many ,
number 前可用large /small 来修饰，a large /
small number of ….. 作主语时，谓语用复数。
2).the number of ….的数量, 作主语时，谓语用单数。
6. sick / ill
1).ill 用在系动词之后作表语。
2).sick 既可以放在系动词之后作表语也可放在名词之前作定语。
7. 表示客气地请求某人干某事
1). Would you like to do sth ?
2).Could you please do sth ?
3).Will /Would you please do sth ?
4).Can you do sth ?
8. be busy
1). be busy with sth .忙于某事
2).be busy doing sth 忙于干某事
3).be busy 的反义词组 be free / have time
9. whole / all
1).whole 一般置于冠词，物主代词或其他限定词之后， all 位于限定词之前。
2).一般不修饰不可数名词，all 既可修饰可数名词也可修饰不可数名词。
10. however / but
however “然而，可是”用于句首或句中，须用逗号隔开。而but 不用逗号隔开。
He is very busy ,_____, he always helps me .
A. and B. / C. but D. however
考点12.most of / most
1).most of the +复数名词 “…..中的大多数”
2).most +复数名词 “大多数的…….”
11. beat / win /lose
1).beat:打败 后面接打败的人或对象 beat sb
2).win:赢 后面接比赛的项目（race , game , match , prize …..）
3).lose:输 lose to sb 输给某人lose sth 输了某物
12. do you think 作为插入语
1).位置：放在疑问词之后
2).语序：后面的句子用陈述句语序。
13.常见的不可数名词：
weather work food news advice information fun music paper .
14. afford
1).afford 常与情态动词can , can’t , could , couldn’t 连用
2).afford 后面接名词或代词不定时。
3).同义句：can’t afford to do sth = sb don’t /doesn’t have enough money to do sth .
15.listen to /hear /sound
1).listen to …仔细倾听 强调听的过程
2).hear … 听到、听见 强调听的结果
3).sound …. 系动词 “听起来…….” 后面接形容词 而sound like +名词.
16.句型：not as ….as
1).not as… as 之间要用原级
2).同义句：A + not as/so…as +B=
A + 形容词的反义词的比较级 + than + B
= B + 形容词的比较级 + than +A
Unit7---Unit9
重点短语：
1.turn on/ off /up/ down 2.cut up 3.mix up4.pour…into… 5.add… to… 6.hang out 7.watch a dolphin show 8.at the end of 9.take a class/ have a class 10.sleep late 11.go for a drive 12.on my next off 13.in my opinion 14.in the future 15.free time 16.be born 17.ice skating18.a piece of music 19.win first prize 20.major in 21.one teaspoon of 22.a slice of 23.take a photo/photos 24.get one’s autograph 25.have a yard sale26.get wet 27.have a party 28.at the age of 29.because of 30.at the same time
：
1. finally 的同义词组：
finally = at last = in the end
2. turn on / open 的区别：
1).turn on ：指打开水流，煤气，电灯，电视，收音机等电器的开关。
2).open：指关着的门，窗，箱子打开。
3. into/ in 的区别：
1).into表示 “到……里面去”，进入到……某空间里。属于动态介词。
2).in表示 “在……里面”，在某一空间或范围之内。属于静态介词。
4. too…to…的同义句：
too…to…= not…enough to … = so…that…
He is so young that he can’t go to school .=
5.called 的同义句：
called = named = with the name (of)
6. see sb do sth 、see sb doing sth的区别
1).see sb do sth :看见某人做了某事
2).see sb doing sth .看见某人正在做某事
注：类似的动词有：hear ,watch ,notice 等。省to的不定式变被动语态时，需带上to
7.at the age of 的同义句：
at the age of = when sb was/ were ….
8.take part in / join 的区别：
1).take part in 表示参加某项活动，运动，事件等。着重强调以主人翁的姿态或在活动中负有责任而参加。
2).join表示加入组织，团体，党派而成为其中一员。
注：join sb in …. 表示“参与某人的活动之中”
9.句型：
Sb +be the first /last one (person) +to do sth
某人是第一个或最后一个干某事.
10.because / because of 的区别：
1).because 后面接从句（除what 从句之外）。
2).because of 后面接名词、代词、名词性短语、what从句。
.11.keep的用法：
1).keep +adj 表示保持某种状态
2).keep +sb/sth +adj 表示使某人保持某种状态
3).keep doing sth . 表示不间断地持续做某事或一直做某事。
4).keep on doing sth 表示反复做某事。
5).keep +sb +doing sth 表示让某人一直做某事。
6).keep +sb from +doing sth 表示阻止某人干某事。= stop sb (from )doing sth = prevend sb (from )doing sth .
12.visit 的用法：
1).词性转换：visit -------visitor
2).词组1).be on a visit to +某地 = visit +某地
2).one’s first visit to +某地 表示某人第一次参观某地
注：travel to +某地
13.alive / living 的区别：
1).alive指活的、现存的、有活力的。常作表语，也可放在名词或代词之后作后置定语。
2).living指活着的、现行的、现存的。可作表语，也可放在名词前作定语。
Unit10---Unit12
重点短语：
1.grow up 2.somewhere interesting 3.a year or two / one or two years
4.make money 5.save money 6.more than = over 7.play sports 8.keep fit 9.communicate with … 10.take out 11.do the dishes 12.do chores 13.do the laundry 14.make the bed 15.living room 16.get a ride = get sb a ride 17.go to a meeting = have a meeting 18.work on 19.take sb for a walk 20.close to / near to 21.in town /in the country /in the city 22.do a survey of 23.the price of 24.computer programmer25.take acting lesson 26.a part-time job 27.play an instrument28.make the soccer ream29.New Year’s resolution 30.sweep the froor31.fold your clothes 32.have a good quality clothes
1.exercise 的用法：
作名词讲：1).作“运动、训练、锻炼”讲，为不可数名词。
2).作“练习、习题、体操（常用复数形式）”讲，为可数名词。
作动词讲：锻炼、运动
2.borrow/ lend /keep 的区别：
1.borrow :对主语而言，表示“借进”
词组：borrow sb sth = borrow sth from sb
2.lend: 对主语而言，表示“借出”
词组：lend sb sth = lend sth to sb
3.keep: 借多长时间
词组：keep +sth +for +一段时间
注：borrow / lend 的延续性动词是：keep
3.ask的用法：
1).ask sb for sth :向某人要某物
I often ask my teacher for help .
2).ask sb about sth . 向某人询问某事。
May I ask you about the accident ?
3).ask sb sth . 问某人某物
May I ask you some questions ?
4). ask sb to do sth .叫某人干某事
-----ask sb not do sth
4.price的用法：
1).price的修饰词为high/ low.
注：价格有高低，物品有贵贱，花费有多少。
2).询问价格的句型：
What’s the price of …..?
How much is /are …..?
How much does it cost ?
5.enough的用法：
enough修饰名词时,可置于名词前面或后面。修饰形容词或副词时，只可放在形容词或副词的后面。
6.英语中的惯用法：
在英语中，时间、距离、钱作主语时，谓语动词用单数。
7.invite的用法：
1).词性转换：invite----- 名词 invitation
2).invite sb to…. 邀请某人参加…..
3).invite sb to do sth 邀请某人干某事
8.feed的用法：
1).feed +sb /sth . 喂某人/某东西
2).feed sth to sb/ sth 把某东西喂给某人或某物
3).feed on … 以……为主食。
4).be fed up with …… 厌倦……. .
9.send 的用法：
1).send sb sth = send sth to sb 把某物送给某人
10.词组：
1).send for sb 派人去请某人来 = ask sb to come
2).send up 发射、往上送
3).send away 开除、撵走
11.save的用法：
1).储存、储蓄
2).挽救、援救
3).节约、节省
12词组：save one’s life save time
13.cloth / clothes / clothing 的区别：
1).cloth作不可数名词，指布料、织物。作可数名词，指一块布，尤指一块抹布。
2).clothes只有复数形式，泛指穿着的衣服。
3).clothing为集合名词，指服装。比clothes 意思更广泛，包括鞋子、帽子等。
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