亚洲欧美精品沙发,日韩在线精品视频,亚洲Av每日更新在线观看,亚洲国产另类一区在线5

<pre id="hdphd"></pre>

  • <div id="hdphd"><small id="hdphd"></small></div>
      11.24 一般現(xiàn)在時代替完成時
      ?
      1) 有些動詞用一般現(xiàn)在時代替完成時:
      hear, tell, learn, write , understand, forget, know, find , say, remember.
        I hear (= have heard) he will go to London.
        I forget (=have forgotten) how old he is.
      2) 句型 " It is … since…"代替"It has been … since …"
      3) It is (= has been) five years since we last met.













       學(xué)習(xí)啦--英語語法大全