狀語從句的省略

Practicemakesperfect.熟能生巧

時間狀語從句Whilewalkingthedog,youwerecarelessanditgotlooseandwashitbyacar.Whileyou

werewalkingthedog,youwerecarelessanditgotlooseandwashitbyacar.狀語從句中，從句主謂省略的條件主句和從句的主語一致從句謂語含有助動詞be

從句的主語和be動詞要省一塊省，要留一塊留。注意：兩個條件缺一不可

牛刀小試:

Whilewaitingforthetrafficlights,acaraccidenthappened.(F)

改正:WhileIwaswaitingforthetrafficlights,acaraccidenthappened.

條件狀語從句Ifitisheated,watercanturnintovapour(水蒸氣).

Ifheated,watercanturnintovapour.

即學即用:

Youcan’tcomeinunless____(ask)to.KEY:asked

時間狀語從句Whilehewasinthevillage,heworkedasateacher.Whileinthevillage,heworkedasateacher.Exercise:WhileIwaswatchingTV,hecamein.讓步狀語從句Thoughhewassurprisedtoseeus,theprofessorgaveusawarmwelcome.Thoughsurprisedtoseeus,theprofessorgaveusawarmwelcome.

Ifpossible,wewillgoshoppingthisevening.Ifitispossible,wewillgoshoppingthisevening.

狀語從句中，從句主謂省略的條件（二）從句主語為表示模糊概念的it從句謂語含有助動詞be

從句的主語和be動詞要省一塊省，要留一塊留。注意：兩個條件缺一不可Exercise:Whenitnecessary,youcanlookupthewordinadictionary.（改錯）KEY:去掉it；或者在it后加is高考直通車When______(arrive),sendmeatextmessage.KEY:arrivingIf_____（ask）tolookafterluggageforsomeoneelse,informthepoliceatonce.(2013江西)KEY:asked高考直通車Therearesomehealthproblemsthat,ifnot____(treat)intime,canbecomebiggeroneslateron.KEY:treatedSummary主句和從句的主語一致,或者從句主語為表示模糊概念的it從句謂語含有助動詞be

從句的主語和be動詞要省一塊省，要留一塊留。注意：兩個條件缺一不可隨堂小測：TrueorFalseWhilewatchingthemovie,mytearsfelldown.()KEY:F2.Ifnecessary,Iwil