英語肯定句轉(zhuǎn)雙重否定句練習(xí)題一、雙重否定句的概念與作用雙重否定句通過兩個否定成分（否定詞、含否定前綴/后綴的詞匯、否定意義的短語等）疊加，表達肯定含義，且語氣較原肯定句更強烈、更具強調(diào)效果。常見否定元素包括：否定詞：*not,never,no,nothing,nobody,hardly*等；否定前綴/后綴：*un-(unhappy),in-(impossible),-less(hopeless)*等；固定否定結(jié)構(gòu)：*not…without,can’t…without,thereisno…that…not*等。二、肯定句轉(zhuǎn)雙重否定句的核心規(guī)則轉(zhuǎn)換需保留原句核心含義，通過添加/替換否定元素實現(xiàn)“否定+否定=肯定”的邏輯。常見轉(zhuǎn)換思路：1.基礎(chǔ)否定詞疊加（助動詞+否定詞）對含實義動詞的肯定句，借助助動詞（do/does/did）+not與否定詞/否定意義的詞疊加。例：*Ilikemusic.*→*Idon’tdislikemusic.*（*dislike*含否定前綴*dis-*）2.利用固定否定結(jié)構(gòu)not…without：強調(diào)“沒有…就不…”，適用于含“需要、依賴”邏輯的句子。例：*Wecansucceedthroughhardwork.*→*Wecan’tsucceedwithouthardwork.*no…not：對含“all,everyone,always”等絕對化詞的句子，用“*no+名詞/代詞+not*”轉(zhuǎn)換。例：*Everyonetrustshim.*→*Noonedoesnottrusthim.*3.否定前綴/后綴的運用將肯定形容詞/動詞替換為含否定前綴/后綴的詞，再疊加否定詞（如*not*）。例：*Hisideaiscorrect.*→*Hisideaisnotincorrect.*（*incorrect*含否定前綴*in-*）三、基礎(chǔ)練習(xí)題（從易到難）請將下列肯定句轉(zhuǎn)換為雙重否定句，要求語義不變且語法正確：1.Sheknowstheanswer.2.Wecanfinishtheworkontime.3.Everyonelikesthisbook.4.Heishonest.5.Ihaveseenthemovie.7.Thereissomewaterintheglass.8.Hewenttoschoolyesterday.9.ShecanspeakFrench.10.Allofusagreewithyou.四、答案與解析1.Sheknowstheanswer.答案：Shedoesn’tnotknowtheanswer./Sheisnotunawareoftheanswer.解析：前者通過“助動詞*doesn’t*+否定詞*not*”疊加；后者用否定前綴*un-*（*unaware*）+*not*，語氣更自然。2.Wecanfinishtheworkontime.答案：Wecan’tfinishtheworkwithoutworkingontime.解析：利用“*can’t…without*”結(jié)構(gòu)，強調(diào)“沒有按時工作就無法完成”，保留原句“能按時完成”的肯定含義。3.Everyonelikesthisbook.答案：Noonedoesnotlikethisbook.解析：“*everyone*”的否定對應(yīng)“*noone*”，再疊加“*doesnot*”，形成雙重否定。4.Heishonest.答案：Heisnotdishonest.解析：將肯定形容詞*honest*替換為含否定前綴*dis-*的*dishonest*，再疊加*not*，語義不變（*dishonest*=不誠實，*notdishonest*=誠實）。5.Ihaveseenthemovie.答案：Ihavenotnotseenthemovie.（更自然表達：Iamnotonewhohasn’tseenthemovie.）解析：現(xiàn)在完成時的雙重否定可通過“*havenot*+*not*”實現(xiàn)，或用“否定詞+否定短語”優(yōu)化語氣。解析：“*failtodo*”含否定意義，“*willnotfailto*”即“一定會”，通過“*not*+否定短語*failto*”構(gòu)成雙重否定。7.Thereissomewaterintheglass.答案：Thereisn’tnowaterintheglass.（更自然：Thereisnoglassthathasnowater.）解析：對“*some*”的否定用“*no*”，再疊加“*not*”（或直接用“*isn’tno*”），強調(diào)“杯子里并非沒有水”。8.Hewenttoschoolyesterday.答案：Hedidn’tnotgotoschoolyesterday.解析：通過“助動詞否定*didn’t*+否定詞*not*”疊加，表“昨天他確實去了學(xué)?！?。9.ShecanspeakFrench.答案：SheisnotunabletospeakFrench.解析：“*unable*”含否定后綴*-able*（*un-+able*），“*notunable*”即“能”，語氣更正式。10.Allofusagreewithyou.答案：Noneofusdonotagreewithyou.解析：“*all*”的否定對應(yīng)“*none*”，再疊加“*donot*”，形成“沒有人不同意”，即“所有人都同意”。五、拓展練習(xí)（提升難度）嘗試轉(zhuǎn)換含復(fù)合結(jié)構(gòu)或抽象意義的句子：1.ItisimportanttolearnEnglish.2.Shebelievesheisright.3.Theproblemiseasytosolve.（答案提示：1.*ItisnotunimportanttolearnEnglish.*2.*Shedoesnotdisbelieveheisright.*3.*Theproblemi