不卡AV在线|网页在线观看无码高清|亚洲国产亚洲国产|国产伦精品一区二区三区免费视频

11.27 時(shí)態(tài)一致
?
  1) 如果從句所敘述的為真理或不變的事實(shí),則永遠(yuǎn)用現(xiàn)在時(shí)。
  At that time, people did not know that the earth moves.
  He told me last week that he is eighteen.


  2) 賓語(yǔ)從句中的助動(dòng)詞ought, need, must, dare 時(shí)態(tài)是不變的。
  He thought that I need not tell you the truth.













 學(xué)習(xí)啦--英語(yǔ)語(yǔ)法大全