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  • by the time主從句時(shí)態(tài)

    by the time主從句時(shí)態(tài)
    請(qǐng)分情況說(shuō)明
    英語(yǔ)人氣:591 ℃時(shí)間:2020-01-29 20:23:50
    優(yōu)質(zhì)解答
    這個(gè)詞組常用來(lái)指到某一點(diǎn)時(shí)間為止,主句常用完成時(shí)態(tài).具體如下:
    1)從句用一般現(xiàn)在時(shí),主句用將來(lái)完成時(shí)(will have done).
    Bythe time I graduate next year,I will have lived here for 5 years.到明年畢業(yè)時(shí),我就在這里呆了五年了.
    2)從句用一般過(guò)去時(shí),主句用過(guò)去完成時(shí).
    e.g.Bythe time he was 12,he had traveled to more than 30 countries to get his diseases cured.到12歲為止,他已去過(guò)三十多個(gè)國(guó)家治病.
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