※ 引述《hopeliu (阿翔)》之銘言：
: I ____________ her when she was ill.
: (A) often helped
: (B) have often helped
: (C) has often helped
: 請問這題，
: 答案A，
: B為什麼不可以？
: 感謝各位大大。
: ※ 編輯: hopeliu 來自: 111.184.13.84 (02/21 21:38)
: → zofloya:B是現在式 02/21 22:18
: 推 tijj:Eng-Class 02/22 09:56
: → tijj:因為出題者不知道B可以 02/22 10:00
如果想像時態 在一個時間線上 完成式B points to a period of time.
跟後面 she was ill (at one point in time) 是不對稱的 hence (A)
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