標題: [問題] 過去進行式 [打印本頁]

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作者: claire165    時間: 2010-1-25 15:12     標題: 過去進行式

過去進行式
At the start of the semester, I did not understand the materials or the problems. I was confused when I read and tried to solve problems.

請問粗體字(read, tried)那裡可以用過去進行式嗎?

可以寫成 I was confused when I was reading and trying to solve provblems.

不行的話請解釋一下原因

thank you very much

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