must・have to・should

必須和應該：must、have to、should

must, have to, should — English grammar, junior high

接續

說明

must 和 have to 都是「必須」：You must wear a helmet.、I have to get up early. should 是建議「應該」：You should drink more water. 注意否定意思不同：You mustn't park here.（這裡不准停車。）You don't have to come.（你不必來。）

must and have to both mean “need to”: You must wear a helmet, I have to get up early. should gives advice: You should drink more water. The negatives differ: mustn't = not allowed, don't have to = not necessary.

注意事項

• must 沒有過去式，過去的「必須」用 had to：I had to wait an hour.
  must has no past; use had to: I had to wait an hour.

常見錯誤

• ✗ She must to go now.
  ✓ She must go now.
  must 後面直接接原形。
  must takes the base form directly.
• ✗ He have to work today.
  ✓ He has to work today.
  he 用 has to。
  With he it's has to.

例句

練習

在 Hanabiの小天地 聽例句的錄音、做 3 題練習，答對 2/3 就算學會，進度會記下來。