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  • 為什么這里不要還原to?I heard the boy singing just now.The boy was heard singing just now.

    為什么這里不要還原to?I heard the boy singing just now.The boy was heard singing just now.
    英語(yǔ)人氣:329 ℃時(shí)間:2020-05-09 10:31:16
    優(yōu)質(zhì)解答
    hear +賓語(yǔ) +賓補(bǔ)[ do/doing/v+ed ]
    hear +賓語(yǔ) +do賓補(bǔ)此結(jié)構(gòu)中是省略了to的不定式.當(dāng)變成被動(dòng)時(shí)才要還原to
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