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  • your room must have been cleaned yesterday,_____ it?答案是wasn't it 請(qǐng)明確回答謝謝

    your room must have been cleaned yesterday,_____ it?答案是wasn't it 請(qǐng)明確回答謝謝
    英語人氣:398 ℃時(shí)間:2019-10-11 10:23:09
    優(yōu)質(zhì)解答
    做反義疑問句的時(shí)候 首先要搞清楚助動(dòng)詞是哪一個(gè)
    例如You must have been playing tennis at the time,這句話中have做助動(dòng)詞 引導(dǎo)現(xiàn)在完成進(jìn)行時(shí) 故應(yīng)該是
    You must have been playing tennis at the time ,haven't you
    She must have a kind mother,這句話中must表示推測,而不是表“必須”,反意疑問句應(yīng)該提取后面的助動(dòng)詞 have做的是實(shí)意動(dòng)詞 表示“有”的意思 其助動(dòng)詞應(yīng)該是do
    因?yàn)槭堑谌朔Q單數(shù) 所以應(yīng)該是She must have a kind mother,doesn't she?
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