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? 發問時間: 社會與文化語言 · 5 年前

(文法)完成式前要加to?

Rivkin, responsible for managing trade negotiations, investment treaties and other economic issues at the US Department of State, is the highest-ranking official to have visited Taiwan since his predecessor Jose Fernandez in 2012.

請問文中 is the highest-ranking official to have visited Taiwan的˙to have visited是to+完成式嗎?為甚麼完成式前要加to?

Moreover, each tour has a different strategy for preventing biking under the influence, from limiting tastes to 4 ounces and providing a back-up van, to saving the swigs for the end of the trip.

請問文中最後一句, to saving the swigs for the end of the trip.這裡的saving前又為什麼要加to呢?

對於請大師們幫忙解釋文法,謝謝~

已更新項目:

請問可以補充說明一下"不定詞片語"的用法與舉例嗎?

1 個解答

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  • Louis
    Lv 7
    5 年前
    最佳解答

    Rivkin, responsible for managing trade negotiations, investment treaties and other economic issues at the US Department of State, is the highest-ranking official to have visited Taiwan since his predecessor Jose Fernandez in 2012.

    請問文中 is the highest-ranking official to have visited Taiwan的˙to have visited是to+完成式嗎?為甚麼完成式前要加to?

    to have visited Taiwan是「完成式的不定詞片語」,表示己經發生了;如果寫成「簡單式的不定詞片語」是to visit Taiwan,則表示尚未發生。

    這個不定詞片語修飾前面的名詞official

    這裡的to是不定詞的「記號」,。不定詞屬動狀詞(verbal),是動詞(verb)所衍生的詞類,有多種用途

    Moreover, each tour has a different strategy for preventing biking under the influence, from limiting tastes to 4 ounces and providing a back-up van, to saving the swigs for the end of the trip.

    請問文中最後一句, to saving the swigs for the end of the trip.這裡的saving前又為什麼要加to呢?

    from ~ing xxx to ~ing: from ... to ...是一組介系詞,表示範圍是從...到...

    這裡的~ing都是動名詞,當介系詞的受詞。

    2015-06-05 09:29:52 補充:

    1.當受詞

    I want to eat something.

    2.當主詞

    To ride with a drunk driver is dangerous.

    3.當補語

    My only desire is to study English.(主格補語)

    I want him to leave now.(受格補語)

    4.當修飾語

    I have a meal to prepare.(修飾前面的名詞meal)

    He left home to avoid an argument.(修飾述部left home)

    You are very kind to do so.

    2015-06-05 09:33:22 補充:

    I am glad to hear that.(修飾前面的形容詞glad)

    He is old enough to be your father.(修飾前面的副詞enough)

    5.獨立用法(與主句的結構無文法上的關係)

    To be frank with you, I don't agree to your opinion.

    To tell you the truth, I don't want to marry her.

    To be honest, I didn't expect you to finish the assignment on time

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