Unit5Education单元典型句式结构讲解课件北师大版高中英语选择性()

UNIT5

EDUCATION单元典型句式结构讲解及对应练习1.[教材原句]It

was

the

first

timeHelenhadunderstoodsuchacomplexword—awordforsomethingshecouldn’ttouch.Itwasthefirsttime...结构归纳

(1)It’s

the

first

time

(that)...表示“这是第一次……”。It可用This/That代替,first可用其他序数词代替。(2)该句式中的that从句中常用完成时态。主句为一般现在时,从句常用现在完成时;主句为一般过去时,从句常用过去完成时。随堂练习单句语法填空①Thisisourfirsttimethatwe

(organize)suchalarge-scaleevent,andwearegratefulforthesupportandcooperationofeveryoneinvolved.

②Itwasthefirsttimethatthey

(travel)toChina,andtheywereexcitedtocreateunforgettablememories.

haveorganizedhadtravelled随堂练习写美]微写作·背诵③这是我第一次在这么多观众面前进行演讲,我感到很担忧,请给我提一些建议。Thisismyfirsttime

aspeechinfrontofsuchalargeaudience.Ifeelveryworried.Pleasegivemesomesuggestions.(应用文之求助信)

(应用文之演讲稿)

thatIhavegiven2.[教材原句]Buteven

thoughAristotlewasagreatmanwhoinspiredmanygreatscientistsandphilosophersafterhim,hewaswrongattimes.eventhough引导的让步状语从句归纳

(1)even

if=even

though,引导让步状语从句,当主句为一般将来时时,even

if/though引导的让步状语从句应用一般现在时。(2)注意:as

if/as

though表示“好像”,引导方式状语从句或表语从句,引导表语从句时经常用虚拟语气。随堂练习①Kate,anoptimisticgirl,willkeepsmiling,

ifsheisgoingthroughadifficulttime.

②AsAristotlesaid,noonewouldchoosetolivewithoutfriends,evenifhe

(have)allothergoods.

even

had随堂练习[写美]微写作·背诵③即使前面的路似乎不确定且充满挑战,她仍然坚信毅力最终会导致成功。

,shestillfirmlybelievedthatperseverancewouldeventuallyleadtosuccess.(应用文之演讲稿)

Evenifthepathaheadseemeduncertainandfilledwithchallenges3.[教材原句]SomepeoplethinkthatEnglishmaynot

be

as

popular

asitisnow.notas...as比较级句式归纳(1)not

as...as...表示前者不及后者,译作“……不如……”,在两个as之间应用形容词或副词原级。(2)not

as...as...结构中的前一个as可用so代替。(3)as...as...表示“……和……一样……”,其中as不可用so代替。随堂练习①Theexchangestudentadaptedas

(quick)asthenativestudents,embracingthenewcultureandmakingfriendswithinashortperiod.

②IntheMingDynasty,traderouteschangedandDunhuangwasnot

prosperousasitusedtobe.

quicklyas/so随堂练习[写美]微写作·背诵③虽然天气不像我们希望的那样温暖,但凉爽的气温和清新的微风为我们的晨跑提供了一个清爽的环境。Althoughtheweather

,thecooltemperaturesandthefreshbreezehaveprovidedarefreshingsettingforourmorningruns.(读后续写之环境描写)

isnotas/sowarmaswehoped4.[教材原句]Thiswasbecauseshecouldn'tseeorhear．that/thisisbecause...归纳that/thisisbecause...那/这是因为……；because后面跟原因。that/thisiswhy...那/这就是为什么……；why后面跟结果。thereasonwhy...isthat...……的原因是……随堂练习①HeandIhaveworkedtogetherforacoupleofyears．That's_________Iknowhimprettywell．②Hehurthisleg．That's_________hefellfromatalltree．③Thereasonwhyhecamelatewas_______hemissedthebus．why