question words followed by infinitives
...if开头的名词性从句(Noun Clauses Beginning with whether or if) 4 疑问词后接不定式(Question Words Followed by Infinitives) 5 以that开头的名词性从句(Noun Clauses Beginning with that) ..
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question words followed by infinitives
疑问句后面跟着不定式
以上为机器翻译结果，长、整句建议使用 人工翻译 。