Unit5WorkingthelandLearningaboutLanguage語法主語從句課件-高中英語人教版選擇性

SubjectClause主語從句DiscoverUsefulStructuresUnit5WorkingtheLandLearningaims1.

Tomastertheconceptofsubjectclauseanditsbasicusage.2.Tousesubjectclause’sconjunctionscorrectly.3.

Tousesubjectclausesinrealsituations.

句子類型簡(jiǎn)單句并列句復(fù)合句主句形容詞性從句(定語從句)名詞性從句副詞性從句(狀語從句)主語從句賓語從句表語從句同位語從句從句Definitionandtypes:Step1.Lead-in5.Tofindyourwaycanbeaproblem.

4.Smokingisbadforyou.1.Janeworkshard.2.Youareastudent.

3.Theoldshouldberespected.Step2.What’sthesubjectandsubjectclauses?6.Whatshesaidisnotyetknown.結(jié)論：主語:句子說明的人或事物，一般放在______。

主語從句:在主從復(fù)合句中，充當(dāng)

的從句。句首主語從句作主語名詞作主語代詞作主語形容詞作主語動(dòng)名詞作主語動(dòng)詞不定式作主語7.Itisapitythatyoudidn’tseehim.主語從句作主語主語Step3.

主語從句的引導(dǎo)詞

連接詞有從屬連詞、連接代詞和連接副詞。從屬連詞：that、whether、if連接代詞：who、whoever、whom、whose、what、whatever、which、whichever連接副詞：when、where、how、why、whenever、wherever、however1.That

Yuandevotedallhislifetodevelopinghybridrice

movedallpeoplearoundtheworld.2.Whetheritwaspossibletodevelopahybridplantwasamatterofgreatdebate.that_____成分，___意義，____省略。whether____成分，__意義，譯為_____。

從屬連詞引導(dǎo)主語從句只起引導(dǎo)作用，在主語從句中

任何成分；不做是否無不能不做有1.：

that、whether、if

引導(dǎo)主語從句的從屬連詞從屬連詞不充當(dāng)Whowillgomakesnodifference.Whatweneedismoretime.WhichbookIshallchoosehasn'tbeendecided.Whoeverbreaksthelawwillbepunished.who在主語從句中充當(dāng)_____,譯為___。what在主語從句中充當(dāng)_____,譯為____。which在主語從句中充當(dāng)_______,譯為_______。whoever在主語從句中充當(dāng)_______,譯為_______。2.連接代詞:

who、whoever、whom、whose、what、whatever、which、whichever賓語什么主語誰主語無論誰定語哪一個(gè)連接代詞Whenwewillleavehasn'tbeendecided.Wherethemeetingwillbeheldisnotknown.Whyhecriesisnotclear.Howshekeepshealthyisasecret.when在主語從句中充當(dāng)_______,譯為______。where在主語從句中充當(dāng)_______,譯為______。why在主語從句中充當(dāng)_______,譯為_______。how在主語從句中充當(dāng)_______,譯為_______。3.連接副詞：when、where、how、why...連接副詞狀語什么時(shí)候狀語哪里狀語為什么狀語怎樣注意：what與that在引導(dǎo)主語從句時(shí)的區(qū)別1._______yousaidyesterdayisright.2._______sheisstillaliveisexciting.3._______helostthebikeworriedhimalot.4._______helostyesterdayishisbike.WhatThatWhatThatwhat既引導(dǎo)從句，又在從句中充當(dāng)

、

或

，而且

(有/沒有)意義，而that只引導(dǎo)從句，在從句中

(充當(dāng)/不充當(dāng))成分，也

(有/無)意義。主語賓語表語有不充當(dāng)無“缺什么補(bǔ)什么”原則缺主語，指人用____，指物用_____缺賓語，指人用______

_，指物用____缺時(shí)間狀語用______；地點(diǎn)狀語用______；原因狀語用_____；方式狀語用_____；定語用____________；什么都不缺用_______，缺“是否”_______whowhatwho/whomwhatwhenwherewhyhowwhich/whose

如何選主語從句的連接詞？thatwhetherStep√×主語從句一律用

，即主語在前，謂語在后。陳述語序Step5：

主語從句

主謂一致

問題1.Whetherthepatientwillbetaken

______(be)unknown.2.Whenandwherethepatientwillbetaken_____(be)unknown.3.Whenthetaskcanbefinishedandwhetherhecanhavearest_____(be)unknown.4.Whathewantsmost____(be)stayingwithhisfamily.

Whattheyneed_______(be)masks(口罩).is單個(gè)從句做主語，謂語大多數(shù)使用_______(單數(shù)？復(fù)數(shù)？)單數(shù)由兩個(gè)連接詞引導(dǎo)同一個(gè)主從，謂動(dòng)使用____(單數(shù)？復(fù)數(shù)？)單數(shù)主語為and連接的兩個(gè)主從時(shí)，謂動(dòng)使用____(單數(shù)？復(fù)數(shù)？)復(fù)數(shù)what在主從中做賓語時(shí)，謂語的單復(fù)數(shù)取決于它后面的

。areisareis表語Exercise:1.Thathewillpasstheexam

(be)certain.2.Whenandhowhesolvedtheproblem

(be)notclear.3.Whathewantedtodo

(be)tohaveagoodrest.4.Whentheywillstartandwheretheywillgo

(be)stillunknown.areisisisStep6：主語從句太長(zhǎng)怎么辦？Thatallcountriesworktogetherisimportant.

用一個(gè)

It

來解決問題！Itisimportantthatallcountriesworktogether.

★主語從句為了避免頭重腳輕現(xiàn)象,用it做

，而把從句放在后面充當(dāng)

。真正的主語形式主語注意：主語從句位于

時(shí),不能用if

引導(dǎo),主語從句

時(shí),才可以用if引導(dǎo)。Exercise:句首后置Step7：

It作形式主語的句型1.Itseemsthatyoudisagreewiththeplan.2.It’sapitythatyoucan’tattendmybirthdayparty.3.Itissuggestedthatthemeetingbeputoff.4.Itisnecessarythatseveralnurses(should)stay.不及物動(dòng)詞或系動(dòng)詞It+

+主語從句(seem,appear,happen…)It+be+

+主語從句(apity,afact...)名詞It+be+

+主語從句

(said,believed,reported,known,proved,…)過去分詞

It+be+

+主語從句(necessary,obvious,true,strange,natural...)形容詞Summary主語從句復(fù)合句中用作主語的從句叫作主語從句含義從屬連詞:that,whether連接代詞:who,whoever,whom,whomever,whose,what,whatever,which,whichever連接副詞:when,where,how,why,whenever,wherever,however連接詞注意語序問題:陳述語序(主語+謂語)主謂一致問題It作形式主語的句型Exercise:單句語法填空

WhoWhetherWhereThatWhichthatItWhatWhoeverWhat課文原句回顧1.However,

concernedhimmostwas

farmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.

thiscouldbedonewasachallengingquestionatthetime.3.However,

itwaspossibletodevelopahybridofself-pollinatingplantssuchasricewasamatterofgreatdebate.4.Today,

isestimated

about60percentofdomesticrice...5.

impressespeoplemostaboutYuanLongpingishisongoingabilitytofulfilhisdreams.whatthatHowwhetheritthatWhat1.

(令我們印象最深的是)yourartskill