have to

英語

其他寫法

• hafta (非正式，非標準)

發音

• (英國) 國際音標^(幫助): /ˈhæv.tuː/
• (美國) 國際音標^(幫助): /ˈhæf.tu/

• 音頻 (美式)：

  (檔案)

• (英國，美國) 國際音標^(幫助): /ˈhæf.tə/ (放鬆發音)

動詞

have to (第三人稱單數簡單現在時 has to，現在分詞 having to，一般過去時及過去分詞 had to)

1. 必須，不得不
   • 1898, 溫斯頓·丘吉爾, 章號 1, 出自 The Celebrity:

     I was about to say that I had known the Celebrity from the time he wore kilts. But I see I will have to amend that, because he was not a celebrity then, nor, indeed, did he achieve fame until some time after I left New York for the West.

     （請為本引文添加中文翻譯）

   • 2013 July-August, Henry Petroski, “Geothermal Energy”, 出自 美國科學家, 第 101 卷, 第 4 期:

     Energy has seldom been found where we need it when we want it. Ancient nomads, wishing to ward off the evening chill and enjoy a meal around a campfire, had to collect wood and then spend time and effort coaxing the heat of friction out from between sticks to kindle a flame.

     （請為本引文添加中文翻譯）

   I just have to have that shirt;  you have to wear a seat belt

   （請為本使用例添加中文翻譯）

2. （與be動詞連用）一定（邏輯推斷）

   that has to be the postman;  it has to be an electrical fault

   那一定是快遞員;  一定是有電器故障

使用注意

have to 後常跟動詞不定式。

I don't want to go to school, but I have to.

近義詞

("義務")：

• have got to, got to, gotta
• must

("邏輯推斷")：

• be bound to
• have got to, got to, gotta
• must

參見

• Appendix:英語情態動詞