只能用whether的五种情况
只能用whether的五种情况有：①引导主语从句、②引导表语从句、③引导从句作介词宾语、④引导不定式短语、⑤引导让步状语从句。
只能用whether的五种情况
①引导主语从句
所谓主语从句，就是用一个句子作为主语。比如“他是否来这里，还不确定”，根据西方人的表述习惯，重要的东西放句首，也就是说，主语从句是被强调的部分，既然强调其重要性，就用一个更正式的词whether。
②引导表语从句
所谓表语从句，就是跟在系动词的后面，最简单的系动词：am，is，are和他们的变形；最常见的系动词：look,sound,smell,feel,还有get，become，fall，stay等等，whether引导表语从句的时候，跟在be动词后面更常见。
③引导从句作介词宾语
其实就是作为介词的宾语，也是一个宾语从句。
④引导不定式短语
就是后面跟一个不定式to do，关于不定式，请记住它有对未来的暗示，所以whether to do 常翻译为：是否该去做
⑤所谓让步状语
就是退一步说，常用的语义有：即便是...，即使...，无论...，虽然...等等，whether引导的让步状语，常翻译为“无论...”
W hether 用法
whether可以用作连词
whether用作连词,意思是“是否,是不是”,可引导名词从句或动词不定式短语。
whether还可引导让步状语从句,意思是“不管,无论”,从句中通常用一般现代时代替将来时。
例句
I'm uncertain whether to go or not.我不能肯定去还是不去。
His nationality isn't relevant to whether he's a good teacher.他的国籍与他是否是位好老师无关。
Little does he care whether we live or die.他一点也不管我们是死是活。
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绛旓細3. 寮曞浠庡彞浣滀粙璇嶅璇 when鎴杋f閫氬父鐢ㄦ潵寮曞瀹捐浠庡彞锛屼絾鍦ㄦ煇浜涗粙璇嶅悗锛屽彧鑳戒娇鐢╳hether銆備緥濡傦細鈥淚 wonder whether you'd mind my smoking here.鈥濓紙鎴戞兂鐭ラ亾浣犳槸鍚︿粙鎰忔垜鍦ㄨ繖閲屾娊鐑熴傦級4. 寮曞涓嶅畾寮忕煭璇 whether鍙敤鏉ュ紩瀵间笉瀹氬紡鐭锛岄氬父琛ㄨ揪鏈潵鐨勫惈涔夈備緥濡傦細鈥淗e can't decide whether to take...
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