Book8Unit5Meetingyourancestors

PeriodSixReading2andLanguagePoints(II)

编者：孔庆华

导学目标

1.掌握下列短语和结构:datebackto,ifonly….;2.做练习巩固本单元知识点。

自主合作探究

1.datebackto

AlltheobjectsarefromthesameexcavationsiteinSanxingduiandcanbedatedbacktobetween3,000and5,000yearsago.(译文)____________________________________________________

品味典例：

1)Thehistoryofthiscitycango/datebackto650.C:\ProgramFiles\Youdao\Dict\resultui\queryresult.html

2)Yesterdaywevisitedatempledatingbacktotwothousandyearsago.

归纳拓展：dateback/goback+时间段

datebackto=gobackto=datefrom+时间点(用一般现在时)追溯到；回溯至

即景活用：完成句子

1)Thecustom________________________(可以回溯到)thetimeoftheRomanEmpire.

2)这个教堂有500年的历史。（一句多译）

Thistemple_______________________________/____________________________________

2.Ifonly

1)Ifonlyitcouldbejustlikelastyear!(译文)_____________________________________

2)Ifonlyshehadlookedaheadandplannedbetterthisyear!(P43,L11)

(译文)_______________________________________________________

品味典例：

1)Ifailedagain.IfonlyIhadhadtimetoreviewmylessons.

2)IfonlythewholefamilycouldbeunitedduringtheSpringFestival!

3)—It’ssaidthatyouhaveborrowedalotofmoneyforyourflat.

—Yes.Ifonlyonehadanunlimitedsupplyofmoney!

归纳拓展：ifonly...意为“要是……就好了”

(1)ifonly...could/would/mightdo...表示对将来事情的愿望(不用should)

(2)ifonly...did...表示对与现在事实相反的愿望

(3)ifonly...haddone...表示对与过去事实相反的愿望

【辨析比较】ifonly,onlyif

ifonly

用来表达愿望，意为“但愿……；要是……就好了”，句中谓语动词要用虚拟语气(与现在事实相反用一般过去时，与过去事实相反用过去完成时)

onlyif

由副词only和从属连词if组合而成，only仅起强调作用，意为“只要”。注意：“only＋状语”位于句首时，引起句子部分倒装

即景活用：完成句子

1)LookatthetroubleIamin!IfonlyI____________________(follow)youradvice.

2)—Anyinformationaboutyourson?

—No.Ifonly______________________(notsay)thosetoughwordstohim.

3)If?only?I?_______________?as?clever?as?you!要是我像你一样聪明该多好啊!

4)_________________________________________________________

(只有你意识到了英语的重要性，你才能