2021年八年级下册各单元重点语法归纳

八年级下册重点语法和短语Unit1Willpeoplehaverobots?

重点语法：普通将来时态应用

do/does普通将来时态形式：(shall/will)do

do/does普通将来时态被动语态：(shall/will)bedone

普通将来时态必定句、否定句、疑问句形式：

必定句例句：Peoplewillhaverobotsinafewyears.

否定句例句：People(willnot/won't)haverobotsinafewyears.

普通疑问句例句：Willpeoplehaverobotsinafewyears?

特殊疑问句例句：Whatwillpeoplehaveinafewyears?

ReadingStrategy(阅读办法)

Lookatthetitleandpicture，andpredictwhatyouwillreadabout.(看着标题和图片，预知你要阅读那些方面内容。)Thishelpsyougetreadytoacquirenewinformation.(这样可以协助你获得某些新信息。)

Unit2WhatshouldIdo?

重点语法：过去将来时态（将来时态委婉说法）

do/does过去将来时态形式：(should/would)do

do/does过去将来时态被动语态：(should/would)bedone

过去将来时态必定句、否定句、疑问句形式：

必定句例句：Youshouldwritealettertohim.

否定句例句：Youshouldn'twritealettertohim.

普通疑问句例句：ShouldIwritealettertohim?

特殊疑问句例句：WhatshouldIdo?

ReadingStrategy(阅读办法)

Youwilllearntousenewwordsbetterifyouusealearner'sdictionary.(时刻学着应用新单词来学习比时刻使用字典这种途径办法更好。)Abilingualdictionarysometimesgivesthewrongmeaningforthesituationyouwant.(在某些你需要场合下，一本双语字典有时会给你错误解释。)

Unit3WhatwereyoudoingwhentheUFOarrived?

重点语法：过去进行时态

do/does过去进行时态形式：(was/were)doing

do/does过去进行时态被动语态：(was/were)beingdone

过去将来时态必定句、否定句和疑问句形式：

必定句例句：IwaswalkingdownthestreetwhenaUFOlanded.

否定句例句：Iwasn'twalkingdownthestreetwhenaUFOlanded.

普通疑问句例句：WereyouwalkingdownthestreetwhenaUFOlanded?

特殊疑问句例句：WhatwereyoudoingwhenaUFOlanded?

动词when和while选取：when后加瞬间动词，while后加延续性动词。

例句：TheboywaswalkingdownthestreetwhentheUFOlanded.

=Whiletheboywaswalkingdownthestreet，theUFOlanded.

感叹句

构造：(1)How+adj.+the+主语+谓语动词

=(2)What+(a/an)+[adj.]+n.+主语+谓语动词

例句：Whatabeautifulflower[itis]!

=Howbeautifulthefloweris!

Whatbeautifulflowers[theyare]!

=Howbeautifultheflowersare!

ReadingStrategy(阅读办法)

Thetitlecanbehelpfulforyoutounderstandatext.(一篇文章标题可以协助你理解整篇文章。)It'salsoagoodideatoreadthefirstsentenceofeachparagraphbeforeyouread.(在阅读整篇文章之前，阅读每段第一句话也是一种很有效办法。)

Unit4HesaidIwashard-working.

重点语法：宾语从句

构造：主语+谓语动词+宾语从句(主语+谓语动词+宾语/表语)

例句：----I'mgoodatEnglish.Hesays.(改为加宾语从句复合句)

----HesaysI'mgoodatEnglish.

注意：①主句是普通当前时态，宾语从句时态不受其影响。

例句：HesaysI'mgoodatEnglishnow.

HesaysIwasgoodatmathematicswhenIwasyoung.

②主句是过去时态，宾语从句也要用过去时态。

例句：HesaidIwasgoodatmathematicswhenIwasyoungyesterday.

HesaidIwasgoodatEnglishnowyesterday.

③宾语从句是客观真理时永远用普通当前时态。

例句：Ourteachersays24hoursmakeaday.

Ourteachersaidthesungivesussomanyenergyyesterday.

④动词原形不能作主语，必要用其-ing形式。

例句：Shesaidhelpingotherschangedherlife.

ReadingStrategy(阅读办法)

Firstreadformeaning，notfordetail.(一方面理解文段大体意思，不在于文段细节某些。)Youcanunderstandthemeaningofawordyoudon'tknowfromthecontext.(至于不懂单词，你可以通过上下文来寻找它对的释义。)

Unit5Ifyougototheparty，you'llhaveagreattime!

重点语法：if引导条件状语从句

构造：主句+if+条件状语从句

if+条件状语从句+[(comma)]+主句

注意：在if引导条件状语从句中，主句应用将来时态，状语从句用普通当前时态。

例句：You'llhaveagreattimeifyougototheparty.

=Ifyougototheparty，you'llhaveagreattime.

Unit6Howlonghaveyoubeencollectingshells?

重点语法：当前完毕进行时态

do/does当前完毕进行时态形式：have/hasbeendoing

do/does当前完毕进行时态被动语态：have/hasbeenbeingdone

当前完毕进行时态所应用场合：

①某事从过去发生始终持续到当前都在做

②过去发生动作对当前导致影响

例：我已上了三年初中。

IhavebeeninJuniorSchoolfor3years.

自从那次她与我谈过心后，我每天都在进步。

Ihavebeenmakingprogresssincehetalkedwithmethattime.

当前完毕进行时态必定句、否定句和疑问句形式：

必定句例句：Ihavebeenskatingforfivehours.

否定句例句：Ihaven'tbeenskatingforfivehours.

普通疑问句例句：Haveyoubeenskatingforfivehours?

特殊疑问句例句：Howlonghaveyoubeenskating?

注意：瞬间动词不能和一段时间连用。

例句：你借这本书已经多长时间了？

Howlonghaveyoubeenkeepingthisbook?

ReadingStrategy(阅读办法)

Letyoureyes"scan"thetextquicklytofinddetailsthatyou'relookingfor.(在阅读文章之前，用眼睛“横扫”整篇文章，迅速寻找你需要文章要点。)Youcanfindinformationquicklywithoutreadingthewholetext.(这样你就不用细读整篇文章，就能寻找到你需要某些信息。)

Unit7Wouldyoumindturningdownthemusic?

重点语法：mind[one's]doingsth.介意（某人）做某事

重点短语：notatall一点也不

turndown调节使音量变小

rightaway=inaminute=atonce立即；立即

waitinline排队等待

cutinline插队等待

hasn't=hasnot

keep...down压低声音；使缓和

atfirst=firstofall一方面

takecare当心；小心

takecareof=careabout=lookafter关怀；照顾

breaktherule违规

obeytherule遵守规定

putout熄灭

picksth.up拾起某物

waitforsb.等待某人

dependon依赖；依托

getback=return要回

mean→meant→meant动词mean原形、过去式和过去分词

ReadingStrategy(阅读办法)

Asweread，weneedtofind"topicsentences".(在咱们阅读时候，咱们需要寻找“主题语句”，也就是和文章中心最有关语句。)Thesesentencesusuallygivesusa"summary"，oroverallmeaningofeachparagraphandhelpusunderstandwhattheparagraphisabout.(这些语句普通会给咱们某些文章“概要”，或者每个文段所故意思，来协助咱们理解段落大意。)Afterthetopicsentencecomesmoredetailandexplanation.(当“主题语句”浮现后，该段某些解释和细节也就会随之浮现。)

Unit8Whydon'tyougetherascarf?

重点语法：询问别人为什么要做或者不做某事

whydon'tyoudosth.=whynotdosth.

例句：Whydon'tyougetheracamera?=Whynotgetheracamera?

whatabout=howabout

例句：Howaboutsometennisballs?=Whataboutsometennisballs?

ReadingStrategy(阅读办法)

Tounderstandtheimportantideasfromthetext，wemust"summarize".(为了理解文段最重要意图，咱们必要要进行总结。)Dothisbyanswering"who，what，where，why"questionsasyouread.(在阅读时，常注意回答时间、地点、人物这些基本要素问题，达到总结目。)

Unit9Haveyoueverbeentoanamusement?

重点语法：当前完毕时态

do/does当前完毕时态形式：(have/has)done

do/does当前完毕时态被动语态：(have/has)beendone

当前完毕时态重要强调过去发生事情对当前影响。

例句：我去年去过美国，那是我第一次出国。

IhaveeverbeentoAmerica.It'sthefirsttimeformetogoabroad.

ReadingStrategy(阅读办法)

Afterreading，writedownthreeormorethingsyouhavelearned.(在阅读整篇文章之后，把你学到三样或更多事物写下来。)Wealwaysrememberthingsbetterifwetake