must
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南一 八上 Unit 1
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must
must
單字
學習摘要
•
must 為助動詞，核心意義是「必須、一定」。
•
句型為 must + 動詞原形，不加 to。
•
否定「不必」用 don't have to；mustn't 表示「不可以」。
•
無過去式；過去的必須用 had to。
基本資訊
must
aux.
/mʌst/
主要意義：
1. 必須
2. 一定
例句
You must finish your homework before playing games.
你在玩遊戲前必須完成作業。
Students must wear their uniforms to school.
學生上學必須穿制服。
He must be tired after basketball practice.
他打完籃球練習後一定很累。
It's getting dark. You must go home now.
天色變暗了。你現在必須回家。
其他意義
必做的事；必去／必看之處（名詞）
This museum is a must for visitors.
這座博物館是遊客必去的地方。
同義詞
have to
You have to bring your ID to the test.
你考試必須帶身分證。
need to
You need to clean your room today.
你今天需要打掃你的房間。
反義詞
don't have to
You don't have to buy a ticket; it's free.
你不必買票，這是免費的。
may
You may leave now.
你現在可以離開。
常見錯誤
✗
You must to finish your homework.
✓
You must finish your homework.
must 後接動詞原形，不加 to。
✗
You don't must wear a uniform.
✓
You don't have to wear a uniform.
表示「不必」用 don't have to；mustn't 表示「禁止」。
✗
Yesterday I must finish the report.
✓
Yesterday I had to finish the report.
過去的「必須」用 had to，不用 must。
出現於
南一·八上·Unit 1
康軒·七下·Unit 1
翰林·七下·Unit 2
翰林·八下·Unit 4
翰林·八下·Unit 5
教育部頒定國中基礎1200字
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