【语法】How引导的特殊疑问句（Howlong…）

How引导的特殊疑问句（1）（Howlong…?）Lead-inplaneshiptrainLet’slookandread.Lead-inbyplanebyshipbytrainIgotoShanghaibyplane.Let’ssay.Lead-inAtimetablefromShanghaito…CityTime/byplaneTime/byshipTime/bytrainBeijing1hour50minutes/10hoursTokyo2hours30minutes3days/Bangkok5hours3.5days/Presentation--HowlongisitfromShanghaitoBeijingbyplane?--1hourand50minutes.语法讲解多长时间PresentationHow

long表示

“时间多久”，

表示时间侧重指

“一段时间”。针对

“How

long”

的回答一般是时间段。如

“for

three

days”,“three

years”

语法讲解PracticeAsk

andanswerCityTime/byplaneTime/byshipTime/bytrainBeijing1hour50minutes/10hoursTokyo2hours30minutes3days/Bangkok5hours3.5days/--HowlongdoesittaketotravelfromShanghaitoTokyobyplane?--Ittakes1hour50minutes.Presentation语法讲解howlong“多长”，询问动作在时间上所持续的长度。其答语部分或划线部分可能是：Presentation语法讲解1.“for+时间段”，有时可能没有介词for.如：---Howlongdidhewaitforyouhere?他在这儿等了你多久?

---Fortwohours.两个小时。Presentation语法讲解Ittookhim20minutestofinishhishomework.(对画线部分提问)Howlongdidittakehimtofinishhishomework?Presentation2.表示时间的between…and…,from…to…等介词短语。如：Theywereplayingfootballfrom9:00to10:00

yesterday.(对画线部分提问)→Howlongweretheyplayingfootballyesterday?语法讲解Presentation语法讲解注意：howlong也可以询问某事物的具体长度。如：---Howlongisthedesk?这张桌子有多长?---1.2meters.1.2米.Presentation语法讲解Howlong与howfar的区别

howfar“多远”，询问路程、距离。

一般引导提问路程的特殊疑问句。例：Howfarisitfromyourhometoschool?你家到学校有多远?Presentation语法讲解Howlong的意思是多长时间，一般引导提问时间的特殊疑问句。例：HowlonghaveyoubeeninAmerica?

你在美国呆了多久?Practice对划线部分提问。1.Ittakesmetenminutestogotoschool.________doesittakeyoutogotoschool?2.ItistenkilometersfromBeijingtoShanghai.________isitfromBeijingtoShanghai?随堂练习HowlongHowfarPractice【2013.湖南中考】--_______didthemeetinglast?--Abouthalfanhour.HowsoonB.HowlongC.HowfarD.Howmuch【解析】本题根据答语是“时间段”可知用howlong提问，“多长时间”。故选B直击中考BPractice直击中考【2012.深圳中考】

--_______have

they

studied

English?

--They

have

studied

English

for

three

years.

A.

How

long

B.

How

many

C.

How

often

D.

How

soon

【解析】本题根据答语是“forthreeyears”可知用howlong提问，“多长时间”。故选AAPractice直击中考【2011.吉林中考】--______isitfromyourhometoyourschool?--Fivehundredmeters.

A.Howlong

B.Howfar

C.Howsoon

D.Howoften【解析】本题根据答语“500米”表路程，可判断答案为howfar“多远”。故选BBHo