特黄特色三级在线观看免费,看黄色片子免费,色综合久,欧美在线视频看看,高潮胡言乱语对白刺激国产,伊人网成人,中文字幕亚洲一碰就硬老熟妇

11.24 一般現(xiàn)在時(shí)代替完成時(shí)
?
1) 有些動(dòng)詞用一般現(xiàn)在時(shí)代替完成時(shí):
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(yǔ)語(yǔ)法大全