When he comes, I will have left here.(正確)
表時間的副詞子句,其未來動作用現在式代替未來式
問題:
The day will come when we will be able to travel in outer space. (正確)
The day will come when we travel in outer space.(錯誤)
為什麼"when we will be able to travel in outer space"不是表時間的副詞子句?
給100P高手 謝謝@@