If 的用法
對於這個的用法,本人常常用錯,故在此做個紀錄。
如果底下描述有錯,歡迎指正。
情境一
晚上天氣不好,朋友問我明天要幹嘛?
我回答: 如果明天下雨的話,我就留在家裡打電動。
If it rains tomorrow, i will play TV game at home.
==> 當某些條件或狀況成真的時候,會採取甚麼樣的應對
If 條件 (用現在式), 應對(未來式)
情境二
晚上對我家的小姪子David說:如果你認真念書,你就可以拿到好成績。
If you study hard, you would get good grades.
==> 對於現在的事實有可能造成未來的可能
If 條件 (用現在式), 應對(would/could/should/might)
情境三
Peter要買一台NB,我們一起逛街看到一個不錯的notebook,而我有可能跟他說
如果我是你的話,我會買下它。
This notebook is good. If I were you, I would by this notebook.
==> 和現狀不符合的假設
If 條件 (過去式, be動詞一律用were), 應對(would/could/should/might)
如果我是你的話,我會買下它。
This notebook is good. If I were you, I would by this notebook.
==> 和現狀不符合的假設
If 條件 (過去式, be動詞一律用were), 應對(would/could/should/might)
情境四
Peter昨天生日,但我現在才知道,我跟他說:早知道你生日,我就幫你準備一個蛋糕
If I had known your birthday, I would have prepared a cake for you.
If I had known your birthday, I would have prepared a cake for you.
==> 整件事情都是過去的事情,像是馬後炮之類的用法
If 條件 (過去完成式), 應對(would/could/should/might + 過去完成式)
情境五
Marry是David的媽媽,當Marry在的時候,David總是顯得很自在。
If Marry is here, David always feels comfortable.
==> 描述一件既定的常理或事實。
If 條件(現在式),應對(現在式)
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