need to需要做...
解釋:It's something that we should do or it's important to us to do.
(表明這件事情很重要或者我們應(yīng)該去做)
I/They/We/You need to
She/He needs to
I/They/We/You don't need to...
She/He doesn't need to...
I need to get my hair cut, it's out of control.
我要去剪頭發(fā)了,我的頭發(fā)已經(jīng)不受控制了。
She needs to go to the dentist tomorrow.
她明天需要看牙醫(yī)。
I need to make a phone call.
我需要打個電話。
have to/must
①相同點:
表達某事是一種義務(wù),是一種必要的責任,或者某事是必要的。這件事不僅僅重要,還是必須的。
解釋:Something is an obligation, a necessity or a responsibility or something that is required.
I have to/must get to my meeting on time.
我必須按時參加會議。
You have to/must have a passport to travel abroad.
你出國得有護照。
表示可能性
解釋:
Something is likely.
The heater must/has to be broken.
加熱器可能壞了。
②不同點
must通常指個人義務(wù);
have to通常用于外部的權(quán)威或規(guī)定
I must turn off my phone when I study because it's too distracting.
我必須在學習時關(guān)掉手機,因為它太讓人分心。
You have to turn off your phone during exams because it's a university rule.
你必須在考試期間關(guān)掉手機,因為這是大學規(guī)定。
用戶評論
菲菲星光
以前老師教的是have to 是沒得選,必須做,不做一定會死翹翹。must其實還有的選,不選也不會出大事
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