It-强调句的用法.ppt

文档介绍：IT的用法强调句强调句表示强调,其结构是:Itis/was+强调部分+that+原句剩余部分,强调状语、主语和宾语。注:①如果强调的是人,其后用that或who均可;②如果强调的是物、时间或地点等状语,其后只能用that不用where、when、why。IsawTomyesterdayhere.①ItwasIthat/whosawTomyesterdayhere.②ItwasTomthat/whoIsawyesterdayhere.③ItwasyesterdaythatIsawTomhere.④:若原句是not…until句型,在强调until部分时,要把否定形式放入被强调部分。eg:Hedidn’:Is/wasit……that…...特殊疑问句:疑问词(wh-)+is/was+it……that……’steamthatwonthegamelastyear.---Wasityourbrother’steamwonthegame?---Whenwasitthatyourbrother’steamwonthegame?混淆的其它从句①强调句型中前后时态应一致;②被强调的部分为主语、宾语和状语,若把itis/was和that/who去掉,剩下的词语能重新组成正确的句子,而且不缺成分,否则就是其它从句。Itwasin1945thatWorldWarIIended.(强调句)Itwas1945whenWorldWarIIended.(定语从句)③ItisalongtimesinceImetyoulast.(时间状语从句)口诀:代词it本意它,既可指这又指那;时间天气均可指,谈到距离也用它;假主假宾均可做,强调句型跟that。..............,..,..,..,whatDrills3.---Wasn’?---',,hedidn',?’'tfinishthejobontime?