2021年八年級下冊各單元重點語法歸納

八年級下冊重點語法和短語Unit1Willpeoplehaverobots?

重點語法：普通將來時態(tài)應用

do/does普通將來時態(tài)形式：(shall/will)do

do/does普通將來時態(tài)被動語態(tài)：(shall/will)bedone

普通將來時態(tài)必定句、否定句、疑問句形式：

必定句例句：Peoplewillhaverobotsinafewyears.

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

普通疑問句例句：Willpeoplehaverobotsinafewyears?

特殊疑問句例句：Whatwillpeoplehaveinafewyears?

ReadingStrategy(閱讀辦法)

Lookatthetitleandpicture，andpredictwhatyouwillreadabout.(看著標題和圖片，預知你要閱讀那些方面內(nèi)容。)Thishelpsyougetreadytoacquirenewinformation.(這樣可以協(xié)助你獲得某些新信息。)

Unit2WhatshouldIdo?

重點語法：過去將來時態(tài)（將來時態(tài)委婉說法）

do/does過去將來時態(tài)形式：(should/would)do

do/does過去將來時態(tài)被動語態(tài)：(should/would)bedone

過去將來時態(tài)必定句、否定句、疑問句形式：

必定句例句：Youshouldwritealettertohim.

否定句例句：Youshouldn'twritealettertohim.

普通疑問句例句：ShouldIwritealettertohim?

特殊疑問句例句：WhatshouldIdo?

ReadingStrategy(閱讀辦法)

Youwilllearntousenewwordsbetterifyouusealearner'sdictionary.(時刻學著應用新單詞來學習比時刻使用字典這種途徑辦法更好。)Abilingualdictionarysometimesgivesthewrongmeaningforthesituationyouwant.(在某些你需要場合下，一本雙語字典有時會給你錯誤解釋。)

Unit3WhatwereyoudoingwhentheUFOarrived?

重點語法：過去進行時態(tài)

do/does過去進行時態(tài)形式：(was/were)doing

do/does過去進行時態(tài)被動語態(tài)：(was/were)beingdone

過去將來時態(tài)必定句、否定句和疑問句形式：

必定句例句：IwaswalkingdownthestreetwhenaUFOlanded.

否定句例句：Iwasn'twalkingdownthestreetwhenaUFOlanded.

普通疑問句例句：WereyouwalkingdownthestreetwhenaUFOlanded?

特殊疑問句例句：WhatwereyoudoingwhenaUFOlanded?

動詞when和while選取：when后加瞬間動詞，while后加延續(xù)性動詞。

例句：TheboywaswalkingdownthestreetwhentheUFOlanded.

=Whiletheboywaswalkingdownthestreet，theUFOlanded.

感嘆句

構造：(1)How+adj.+the+主語+謂語動詞

=(2)What+(a/an)+[adj.]+n.+主語+謂語動詞

例句：Whatabeautifulflower[itis]!

=Howbeautifulthefloweris!

Whatbeautifulflowers[theyare]!

=Howbeautifultheflowersare!

ReadingStrategy(閱讀辦法)

Thetitlecanbehelpfulforyoutounderstandatext.(一篇文章標題可以協(xié)助你理解整篇文章。)It'salsoagoodideatoreadthefirstsentenceofeachparagraphbeforeyouread.(在閱讀整篇文章之前，閱讀每段第一句話也是一種很有效辦法。)

Unit4HesaidIwashard-working.

重點語法：賓語從句

構造：主語+謂語動詞+賓語從句(主語+謂語動詞+賓語/表語)

例句：----I'mgoodatEnglish.Hesays.(改為加賓語從句復合句)

----HesaysI'mgoodatEnglish.

注意：①主句是普通當前時態(tài)，賓語從句時態(tài)不受其影響。

例句：HesaysI'mgoodatEnglishnow.

HesaysIwasgoodatmathematicswhenIwasyoung.

②主句是過去時態(tài)，賓語從句也要用過去時態(tài)。

例句：HesaidIwasgoodatmathematicswhenIwasyoungyesterday.

HesaidIwasgoodatEnglishnowyesterday.

③賓語從句是客觀真理時永遠用普通當前時態(tài)。

例句：Ourteachersays24hoursmakeaday.

Ourteachersaidthesungivesussomanyenergyyesterday.

④動詞原形不能作主語，必要用其-ing形式。

例句：Shesaidhelpingotherschangedherlife.

ReadingStrategy(閱讀辦法)

Firstreadformeaning，notfordetail.(一方面理解文段大體意思，不在于文段細節(jié)某些。)Youcanunderstandthemeaningofawordyoudon'tknowfromthecontext.(至于不懂單詞，你可以通過上下文來尋找它對的釋義。)

Unit5Ifyougototheparty，you'llhaveagreattime!

重點語法：if引導條件狀語從句

構造：主句+if+條件狀語從句

if+條件狀語從句+[(comma)]+主句

注意：在if引導條件狀語從句中，主句應用將來時態(tài)，狀語從句用普通當前時態(tài)。

例句：You'llhaveagreattimeifyougototheparty.

=Ifyougototheparty，you'llhaveagreattime.

Unit6Howlonghaveyoubeencollectingshells?

重點語法：當前完畢進行時態(tài)

do/does當前完畢進行時態(tài)形式：have/hasbeendoing

do/does當前完畢進行時態(tài)被動語態(tài)：have/hasbeenbeingdone

當前完畢進行時態(tài)所應用場合：

①某事從過去發(fā)生始終持續(xù)到當前都在做

②過去發(fā)生動作對當前導致影響

例：我已上了三年初中。

IhavebeeninJuniorSchoolfor3years.

自從那次她與我談過心后，我每天都在進步。

Ihavebeenmakingprogresssincehetalkedwithmethattime.

當前完畢進行時態(tài)必定句、否定句和疑問句形式：

必定句例句：Ihavebeenskatingforfivehours.

否定句例句：Ihaven'tbeenskatingforfivehours.

普通疑問句例句：Haveyoubeenskatingforfivehours?

特殊疑問句例句：Howlonghaveyoubeenskating?

注意：瞬間動詞不能和一段時間連用。

例句：你借這本書已經(jīng)多長時間了？

Howlonghaveyoubeenkeepingthisbook?

ReadingStrategy(閱讀辦法)

Letyoureyes"scan"thetextquicklytofinddetailsthatyou'relookingfor.(在閱讀文章之前，用眼睛“橫掃”整篇文章，迅速尋找你需要文章要點。)Youcanfindinformationquicklywithoutreadingthewholetext.(這樣你就不用細讀整篇文章，就能尋找到你需要某些信息。)

Unit7Wouldyoumindturningdownthemusic?

重點語法：mind[one's]doingsth.介意（某人）做某事

重點短語：notatall一點也不

turndown調(diào)節(jié)使音量變小

rightaway=inaminute=atonce立即；立即

waitinline排隊等待

cutinline插隊等待

hasn't=hasnot

keep...down壓低聲音；使緩和

atfirst=firstofall一方面

takecare當心；小心

takecareof=careabout=lookafter關懷；照顧

breaktherule違規(guī)

obeytherule遵守規(guī)定

putout熄滅

picksth.up拾起某物

waitforsb.等待某人

dependon依賴；依托

getback=return要回

mean→meant→meant動詞mean原形、過去式和過去分詞

ReadingStrategy(閱讀辦法)

Asweread，weneedtofind"topicsentences".(在咱們閱讀時候，咱們需要尋找“主題語句”，也就是和文章中心最有關語句。)Thesesentencesusuallygivesusa"summary"，oroverallmeaningofeachparagraphandhelpusunderstandwhattheparagraphisabout.(這些語句普通會給咱們某些文章“概要”，或者每個文段所故意思，來協(xié)助咱們理解段落大意。)Afterthetopicsentencecomesmoredetailandexplanation.(當“主題語句”浮現(xiàn)后，該段某些解釋和細節(jié)也就會隨之浮現(xiàn)。)

Unit8Whydon'tyougetherascarf?

重點語法：詢問別人為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(閱讀辦法)

Tounderstandtheimportantideasfromthetext，wemust"summarize".(為了理解文段最重要意圖，咱們必要要進行總結。)Dothisbyanswering"who，what，where，why"questionsasyouread.(在閱讀時，常注意回答時間、地點、人物這些基本要素問題，達到總結目。)

Unit9Haveyoueverbeentoanamusement?

重點語法：當前完畢時態(tài)

do/does當前完畢時態(tài)形式：(have/has)done

do/does當前完畢時態(tài)被動語態(tài)：(have/has)beendone

當前完畢時態(tài)重要強調(diào)過去發(fā)生事情對當前影響。

例句：我去年去過美國，那是我第一次出國。

IhaveeverbeentoAmerica.It'sthefirsttimeformetogoabroad.

ReadingStrategy(閱讀辦法)

Afterreading，writedownthreeormorethingsyouhavelearned.(在閱讀整篇文章之后，把你學到三樣或更多事物寫下來。)Wealwaysrememberthingsbetterifwetake