私醫聯招 英文歷屆試題｜第 320 題
107 學年度
- had not, have become
- has not, become
- did not, have become
- did not, become
提示
if 子句描述過去的假設情況，主要子句描述其對現在／既成事實的影響，屬於混合時態的假設語氣。
正確答案
正解：A
詳解
A. had not, have become 中 if 子句用過去完成式，主要子句用 would not have become，為正確的混合時態假設句，為正確答案。
B. has not, become 為現在式，不合假設語氣的時態規則。
C. did not, have become 中 if 子句應為過去完成式而非簡單過去式，不合。
D. did not, become 同樣時態不符合此處假設語氣的規則。
