急~英文文法 簡單 三題 高手幫忙><

1.The post office announces:Sending packages containing prohibited items is forbidden.

為何麼prohibited要加ed,不是原形嗎?

2.Joy, you must get this letter mailed right away.

為何mailed要加ed?must我記得後面好像加原形?!不是用must get to 嗎?

3.I will visit you the day after tomorrow; if it is convenient for you.

為何用convenient不是用convenience,為啥用形容詞?

1 Answer

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  • 8 years ago
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    1.(Sending packages containing prohibited items) is forbidden.

    Sending packages containing prohibited items 為主詞

    prohibited為其置adj.修飾後面的items

    prohibite是動詞,前面已有一個動詞contain了

    2.Joy, you must get this letter mailed right away.

    must後面加原形動詞,所以get是原形沒錯

    但這邊主要是在後半段 get this letter mailed

    使某物~~~,所以用被動來修飾前面的letter

    3.it is convenient for you

    be.v(is)後面用adj

    Source(s): me
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