授課人：Cici狀語從句之時間狀語從句AdverbialClause1.定義及分類（1）定義：狀語修飾動詞、形容詞、副詞或整個句子。狀語在復合句中作狀語。（2）分類：時間、地點、原因、目的、結果、條件、行為方式、比較、讓步等。

WhileJohnwaswatchingTV,hiswifewascooking.(時間狀語)

Nomatterhowhardhetried,shecouldnotchangehermind.(讓步狀語)Thebossaskedthesecretarytohurryupwiththeletterssothathecouldsignhim.(目的狀語)時間狀語從句連詞常規(guī)用法當:when,while,as直到：

until,till一...就...：assoonas,themoment,themintue,thesecond,theinstant,immediatedly,directly,once,nosoonerthan...,hardly...when,scarcely...when連詞謂語動詞用法when“當......時候”，可以延續(xù)性動詞或短暫性動詞連用從句的動作和主句的動作可以同時發(fā)生，也可以先后發(fā)生while“當......時候”，與延續(xù)性動詞連用從句的動作與主句的動作同時發(fā)生as“一邊......一邊......；隨著”，與延續(xù)性動詞連用表示主從句的動作相伴發(fā)生或交替進行注意如果主句是短暫性動作，從句是延續(xù)性動詞的進行時態(tài)，when,while,as可互換連詞when,while,as的用法區(qū)別Practice：ImetLaura_______________Iwaswalkingalongthestreet.②___________theathletereachedthefinishline,alltheaudienceshoutedwithexcitement.

③Theyrushedin_____________wewerediscussingproblems.④____timewenton,theweathergotworse.⑤Hesang____hewentalong.when/while/asWhenas/when/whileAsas連詞位置用法例句until句首、句中主句的謂語動詞是延續(xù)性動詞，表示“某動作延續(xù)到某時間點停止”Youmaystayhereuntil/tilltherainstop.till句中連詞until,till,not...until...的用法區(qū)別【例句】Iwillworkuntil/tillheteelsmetostop.Iwon’tleaveuntilitis12o’clock.連詞位置用法例句not...until一般用法主句的謂語動詞是短暫性動詞，表示“某動作直到某時間才開始”Thechildwon’tgotobeduntil/tilltherainstops.倒裝句用法Notuntilhismotherreturneddidthechildgotobed.強調句用法Itwasnotuntilhismotherreturnthatthechildwenttobed.單詞短語充當連詞:“一...就...”必背assoonasscarcely...whenhardly...whennosooner...thanimmediatelydirectlyinstantlythemomenttheminutetheinstanteverytimeeachtimenexttimebythetime名詞類副詞類time類短語類Ididn’twaitamoment,butcameimmediatelyyoucalled.IfellasleeptheminuteIwentbed.AssoonasIgottothebusstop,thebusstarted.連詞“一...就...”必背scarcely...when,hardly...when,nosooner...than用法語序：hardly/scarcely/nosooner置于句首時，其后要進行部分倒裝時態(tài)：Hardly+haddone...when+didScarcely+haddone...+when+didNosooner+haddone...+thandidHardlyhadIreachedhomewhenitbegantorain.Scarcelyhadthedoctorgotintobedwhenhewascalledoutagain.Nosoonerhadwesatdown

than

wefounditwastimetogo.Practice：我們一到家，電話就響了____________wegothome,

thetelephonerang.②我一看見她就認出她來了。

Irecognizedher______________Isawher.

③我一聽到這個聲音，就知道爸爸來了。_____________Iheardthevoice,

Iknewmyfatherwascoming.④他剛演講完畢，學生們就開始歡呼。

Hehad__________finishedhisspeechthanthestudentsstarted

cheering.AssoonasimmediatelyThemomentnosoonerPractice：到你回來的時候，我們將已經完成這項工作。__________youcomeback,

wewillhavefinishedthejob.每當我們遇到困難，他們就來幫忙。__________wemetwithdifficulties,

theycametohelpus.任何時候你想給我打電話都可以打。

Youcancallme_________youwantto.BythetimeanytimeWheneverafter,before和since的用法連接詞詞義常用句式after在......之后沒有常用句式before在......之前；還沒......就......；......才......；還沒來得及......Itwill(not)be+一段時間+before...（沒有）過......時間才......Itwasnotlongbefore...不久......就......Itwas+時間段+before...

過了......（時間）才......after和before的用法1.after意為“在......之后”Hechangedhisideaafterhethoughtitover.2.before意為“在......之前；還沒......就......；......才......；還沒來得及......”Itwill(not)be+一段時間+before...（沒有）過......時間才......Itwasnotlongbefore...不久......就......Itwas+時間段+before...過了......（時間）才......在我的導師出國之前，我已完成了我的學位論文。

Ihadfinishedmydissertationbeforemy

supervisorwent

abroad.可能要過許多年我們才能再見了。

Itwillbemanyyearsbeforewemeetagain.他三天后回來。

Itwasthreedaysbeforehecameback.有人深更半夜給我打電話，但我還沒來得及接對方就掛斷了。

Someonecalledmeupinthemiddleofthenight,buthehungup

beforeIcouldanswerthephone.Practice：since的用法①since意為“自從……”，引導的時間狀語從句Ihaven'theardfromhimsinceheleft.他走之后，我還沒收到過他的信。常用句型：Itis/hasbeen十一段時間+since...主句用一般現(xiàn)在時或現(xiàn)在完成時，從句用一般過去時例句分析Itistwoyearssinceth