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例如: The chief technician showed the apprentice how to repair the machine. Have you told him where to get the application form? 綜上所述,可見(jiàn)“疑問(wèn)詞+不定式動(dòng)詞”結(jié)構(gòu)是個(gè)形象清新,既容易用又不容易出錯(cuò)的特別結(jié)構(gòu),可以多多運(yùn)用。 “疑問(wèn)詞+不定式動(dòng)詞”結(jié)構(gòu)有何功用呢?其主要功用有下列五種: ⑴當(dāng)主語(yǔ),如: When to hold the meeting has not yet been decided. Where to live is a problem. How to cope with the rising cost of living bees a daily discussion topic. ⑵當(dāng)賓語(yǔ),如: We must know what to say at a meeting. He could not tell whom to trust. Do you know how to play bridge? ⑶當(dāng)補(bǔ)足語(yǔ),如: The problem is where to find the financial aid. The question is who to elect. ⑷當(dāng)名詞同位語(yǔ),如: Tom had no idea which book to read first. Do you have a rough impression how to do it? ⑸當(dāng)賓語(yǔ)補(bǔ)足語(yǔ),如: Jim is not sure whose to choose. Mary and John are not certain whether to get married or not. 適用于“疑問(wèn)詞+不定式動(dòng)詞”的動(dòng)詞包括:“know, see, decide, tell, ask, consider, discover, explain, forget, guess, hear, imagine, inquire, learn, remember, think, won