温习巩固以往试卷中整理的错题，把句子结构分析清楚，尤其是高中重点语法，重在理清思路，要学会思考错误，从思维方式上纠正自己，以期形成良好的习惯，避免重复犯错，达到举一反三的效果。下面是小编给大家带来的高三英语期中的单元总知识点分析，希望能帮助到你!
高三英语期中的单元总知识点分析1
分词作状语
1. 对在句中作时间、条件、原因还是别的状语不是很清楚。
2.分不清何时用现在分词、何时用过去分词。
解决办法：
1.理解分词作状语时可以转换成相应的状语从句。
2.分清何时用现在分词、何时用过去分词。
用法讲解：
1.分词或分词短语作状语时，可以表示时间、原因、让步、条件，方式或伴随状况。通常可转换成相应的状语从句;表示方式或伴随状况时可以转换成并列句或非限制性定语从句。例如：
Put into use in April 2000 (=When it was put into use in April 2000), thehotline was meant for residents reporting water and heating supply breakdowns.分词短语作时间状语
Blamed for the breakdown of the school computer network (=Because she wasblamed for the breakdown of the school computer network), Alice was in lowspirits. 分词短语作原因状语
Given time (=If he is given time), he’ll make a fist-class tennis player.分词短语作条件状语
We often provide our children with toys, footballs or basketballs, thinkingthat all children like these things. (= and think that all children like thesethings.) 分词短语作伴随状语
2. 有时为了强调，分词前可带when, while, if, though, as if,unless等连词一起作状语，以便使句子的意思更清楚、更连贯。例如：
When comparing different cultures, we often pay attention only to thedifferences without noticing the many similarities.
Though tired, he still continued reading.
3. 现在分词和过去分词作状语时的用法比较。
不管是现在分词还是过去分词单独作状语，其逻辑主语必须与主句的主语一致。分词作状语通常可转换成一个相应的状语从句或并列句，如果状语分句或并列句中的谓语动词为被动结构，就用过去分词;如果状语分句或并列句中的谓语动词为主动结构，就用现在分词。例如：
When compared with the size of the whole earth , the biggest ocean does notseem big at all.
分词部分相当于When the biggest ocean is compared with the size of the whole earth,主语与分词是被动关系，所以用过去分词。
When comparing it with the size of the whole earth, we find that thebiggest ocean does not seem big at all.
When we compare it with the size of the whole earth... 主语与分词是主动关系,所以用现在分词。
Faced with a bill for$10,000(=Because he is faced with a bill for$10,000),John has taken an extra job.
Whenever he was asked why he was late for class, he would answercarelessly, always saying the same thing (= and he would say the samething).
注意：
1. 现在分词有两种时态：一般式doing和完成式havingdone。一般式通常表示与主句的谓语动词所表示的动作同时发生或无先后;完成式则强调分词所表示的动作先于谓语动词所表示的动作。如：
While walking in the street, we met some friends of ours.(同时发生)
Having waited in the queue for half an hour, Tom suddenly realized that hehad left his wallet at home. (“等待”先于谓语动词“意识到”)
2. 分词的否定式的构成: not +分词。 Not having received a reply, he decided to writeagain.
高三英语期中的单元总知识点分析2
常用短语
Whatareyoutryingtosay?(你到底想说什么?)
Don‘tbesilly.(别胡闹了。)
Howstrongareyourglasses?(你近视多少度?)
Justbecause.(没有别的原因。)
Itisn’tthewayIhopeditwouldbe.(这不是我所盼望的。)
Youwillneverguess.(你永远猜不到。)
Noonecoulddoanythingaboutit.(众人对此束手无措。)
Isawsomethingdeeplydisturbing.(深感事情不妙。)
Moneyisagoodservantbutabadmaster.(要做金钱的主人，莫做金钱的奴隶。)
Iamnotavailable.(我正忙着)
Wisdominthemindisbetterthanmoneyinthehand.(脑中的知识比手中的金钱更重要)
Neversaydie.it‘sapieceofcake.别泄气，那只是小菜一碟。
Don’tworry.you‘llgetusetoitsoon.别担心，很快你就会习惯的。
Ikonwhowyoufeel.我明白你的感受。
Youwinsome.youlosesome.胜败乃兵家常事。
Don’tburyyourheadinthesand.不要逃避现实。
Ididn‘texpectyoutosuchagoodjob.我没想到你干得这么好。
Youarecomingalonewell.你做得挺顺利。
Sheiswell-build.她的身材真棒。
Youlookneatandfresh.你看起来很_。
Youhaveabeautifulpersonality.你的气质很好。
Youflattermeimmensely.你过奖啦。
Youshouldbeslowtojudgeothers.你不应该随意评论别人。
Ihopeyouwillexcusemeifimakeanymistake.如有任何错误，请你原谅
Itwasmostcarelessofme.我太粗心了。
Itwasquitebyaccident.真是始料不及。
Iwishihadallthetimei’deverwasted，soicouldwasteitalloveragain.我希望所有被我浪费的时间重新回来，让我再浪费一遍。
Ilikeyouthewayyouwere.我喜欢你以前的样子。
Youtwogoaheadtothemoviewithoutme，idon‘twanttobeathirdwheel.你们两个自己去看_吧，我不想当电灯泡。
Doyouhaveanyoneinmind?你有心上人吗?
Howlonghaveyouknownher?你认识她多久了?
Itwasloveatfristsight.一见钟情
I’dbetterhitthebooks.我要复习功课啦。
apieceofone‘smind.直言不讳
Hegavemeapieceofmind，"Don’tshiftresponsibilityontoothers."他责备道：“不要把责任推卸到别人身上。”
acatanddoglife水火不容的生活
Thehusbandandhiswifearealwaysquarrelling，andtheyareleadingacatanddoglife.这对夫妇老是吵架，相互之间水火不容。
adog‘slife潦倒的生活
Themanlivedadog’slife.这个人生活潦倒。
高三英语期中的单元总知识点分析3
过渡性连接词
表强调：
still，indeed，ofcourse，afterall，aboveall，surely，certainly，undoubtedly，inanycase，anyway，infact，especially，obviously，clearly
表比较
like，unlike，similarly，inthesameway，equally，similarto
表对比
bycontrast，onthecontrary，while.，whereas，ontheotherhand，unlike，instead，but，differentfrom，however，otherwise，yet，theformer…thelatter，once…now，some…other，yearsago…today
表列举
foronething…andforanother，like
表举例
Forexample，forinstance，suchas，take…forexample，except[for]
表时间
Later，next，then，finally，atlast，eventually，meanwhile，fromnowon，fromthenon，atthesametime，forthetimebeing，intheend，immediately，inthemeantime，inthemeanwhile，recently，soon，nowandthen，during，nowadays，since，lately，afterwards，temporarily，earlier，now，afterawhile，when，while，before，after，until，assoonas，then，suddenly，inafewdays，inrecentyears，earlythismorning/year/century，allofsudden，themoment
表顺序
First，second，third，firstly，secondly，thirdly，tobeginwith，firstofall，inthefirstplace，last，finally，eventually，intheend，atlast，next，aboveall，firstandmostimportant，meanwhile
表解释
Inotherwords，infact，asamatteroffact，thatis，thatistosay，namely，
表递进
Whatismore，inaddition，and，alsobesides，too，moreover，furthermore，aswellas，aswell，again，additionally，whatisworse?
表让步
Although，though，eventhough，afterall，inspiteof，evenif，
表转折
However，ratherthen，insteadof，but，yet，ontheotherhand，unfortunately，despite
表原因
Forthisreason，for，nowthat，thanksto，assince，owingto，because，becauseof，dueto，
表结果
So，so/such…that，therefore，thus，asaresult，accordingly
表总结
Onthewhole，inconclusion，inaword，tosumup，inbrief，insummary，toconclude，tosummarize，inshort，ingeneral，generallyspeaking，aboveall，afterall
Mostly，occasionally，naturally，mainly，exactly，commonly，forthispurpose，formostofus，inmanycases，inthiscase.
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