Phrase
has to
/ˈhæv tə/
verb
必须；不得不
has to is the third person singular of have to (irregular).
To be obliged or required to do something; must
- 1.
Must; need to; to be urged to; to be required to; indicates obligation.
必须；需要；表示义务。
- 2.
Must; expresses a logical conclusion.
一定；必定；表示逻辑推断。
一定是；想必；必须；需要；表示义务。；一定；必定；表示逻辑推断。；不得不；只好; 只得; 必须; 不得已
In use
I have to finish my homework before I can play video games.
She has to wear a uniform at her new school.
We had to wait for over an hour because the train was delayed.
have to + base verb
表示客观要求或义务。
I have to finish my homework.
我必须完成作业。
don't have to + base verb
表示不必要，而非禁止。
You don't have to come if you're busy.
如果你忙，你不必来。
have to be + noun/adjective
后接名词或形容词，表示必须处于某种状态。
She has to be at work by 8 a.m.
Connections
Learner notes
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.