高考英语常考句式《…before…特殊用法》ppt课件.ppt

难 点 诠 释典 型 例 题考点18 before 特殊用法She went out before I said goodbye to her.我还没来得及和她告别，她就出去了。We hadnt run a mile before he felt tired.我们跑了还不到一英里他就累了。Please write it down before you forget it.趁你现在没忘把它记下来。before 的特殊用法We had sailed four days before we saw lands.我们航行了四天才看到了陆地。难 点 诠 释【还没来得及 就】【不到 就】【过了多久才】【趁着还没】句意:-为什么不告诉他会议的事？-我还没来得及说一句话，他就冲出了房间。根据句意可知，应选连词before 表示“还未就”，相当于as soon as，符合语境。答案:A-Why didnt you tell him about the meeting?-He rushed out of the room_ I could say a word.A.before B.until C.when D.after答 案解 析典 型 例 题 Someone called me up in the middle of the night,but they hung up _ I could answer the phone.A.since B.until C.before D.as答 案解 析句意:有人在半夜给我打电话，可是我还没来得及接电话就挂断了。根据句意可知，应选连词before 表示“还未就”，相当于as soon as，符合语境。答案:C典 型 例 题