📚 英语 第 44 课Necessity🌿 初级
Have to / Don't have to
必须 / 不必
📚 表达必要性与非必要性 📚
1
💬 对话
Tom: Do we have to finish the report today?
我们今天必须完成报告吗？
Anna: Yes, we have to submit it by 5 PM.
是的，我们必须在下午5点前提交。
Tom: Do I have to wear a suit for the meeting?
我开会必须穿西装吗？
Anna: No, you don't have to wear a suit. Casual is fine.
不，你不必穿西装。休闲装也可以。
Tom: Does she have to work this weekend?
她这周末必须加班吗？
Anna: No, she doesn't have to work on Saturdays.
不，她周六不必工作。
2
📖 词汇
5 个单词英语中文
finish完成
submit提交
suit西装
casual休闲的
weekend周末
3
⭐ 核心句型
Subject + have to / don't have to + Verb
主语 + 必须/不必 + 动词原形
- 句型： [主语] + [have to / don't have to] + [动词]
- 含义： 用于表达某种义务、规定或没有必要做某事。
I have to go now.
我必须现在走了。
You don't have to pay.
你不必付钱。
4
🎓 语法讲解
使用 have to 来表达客观的必要性或规定。
Don't have to 并不表示禁止，而是表示“没有必要”。
注意第三人称单数（He/She/It）要使用 has to 或 doesn't have to。
She doesn't have to cook.
= '她不必做饭。'
5
📝 小测验
如何用英语表达 '你不需要早起'？