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    before和ago的時(shí)態(tài)

    回答
    愛(ài)揚(yáng)教育

    2022-10-07

    before是現(xiàn)在完成時(shí),ago是一般現(xiàn)在時(shí)。
    before:prep.之前;在…以前;在…面前(或前面);(次序或排列)在前面。
    ago:adv.(與動(dòng)詞簡(jiǎn)單過(guò)去時(shí)連用)以前。

    擴(kuò)展資料

      It would be a good idea to call before we leave.

      我們出發(fā)之前打個(gè)電話是個(gè)好主意。

      Profits were at the same level as the year before.

      利潤(rùn)和前一年的持平。

      Have you ever used this software before?

      你以前用過(guò)這種軟件嗎?

      I used to smoke but I gave up two years ago.

      我過(guò)去抽煙,但兩年前就戒了。

      She gave up teaching three years ago.

      三年前,她放棄了教學(xué)工作。