if
/ˈɪf/KK
1.
如果;假如
極常用
用來引導條件子句,表示某件事在特定條件成立時才會發生或成立。
用法:條件子句可以放在主句前面或後面。放在前面時,通常要在子句後加逗號。
if it rains
if necessary
if you have time
if possible
if I were you
If it rains tomorrow, we will take the bus.
如果明天下雨,我們就搭公車。
常見錯誤
If it will rain tomorrow, we will stay home.
If it rains tomorrow, we will stay home.
If I will have time, I will call you.
If I have time, I will call you.
If you are tired, and you should go home.
If you are tired, you should go home.
I don't know if will she come.
I don't know if she will come.
相關字詞
provided that 近義
whether 易混淆
unless 近義
then 常見搭配
學習提示
・第一類條件句常用「if+現在簡單式,主句+will」表示未來可能發生的情況。
・if 可表示「是否」並引導間接問句,例如「我不知道他是否會來」。
・「即使」通常用 even if,不要只用 if 表達讓步語氣。