1
require sth
This project requires a lot of time.
这个项目需要大量时间。
需要；有必要
先理解核心含义，再看它在真实句子里的用法。
需要；有必要
to need something or make something necessary
This project requires a lot of time.
这个项目需要大量时间。
要求,坚持拥有；以权威方式要求。
To demand, to insist upon (having); to call for authoritatively.
自然地将某物视为必不可少而要求；需要,作为必要条件要求。
Naturally to demand (something) as indispensable; to need, to call for as necessary.
要求(某人)做某事。
To demand (of someone) to do something.
require
Base
原形
requires
3rd person
第三人称单数
requiring
-ing
现在分词
required
Past
过去式
required
Past participle
过去分词
This job requires a lot of patience.
这份工作需要很大的耐心。
The project required additional funding last year.
去年这个项目需要额外的资金。
She has required assistance several times.
她已经多次需要帮助。
规则动词，过去式和过去分词加-ed。
This job requires a university degree and two years of experience.
这份工作要求大学学历和两年经验。
The visa application requires you to submit your passport and a recent photo.
签证申请要求你提交护照和近期照片。
The teacher required that all students finish their homework before class.
老师要求所有学生课前完成作业。
This project requires a lot of time.
这个项目需要大量时间。
The teacher requires students to submit their homework on time.
老师要求学生按时提交作业。
that从句常用虚拟语气，should可省略。
The law requires that all drivers (should) have a valid license.
法律要求所有司机持有有效驾照。
主动形式表示被动意义。
These plants require watering every day.
这些植物需要每天浇水。
Not this
I require for a pen.
Use this
I require a pen.
require 是及物动词，直接接宾语，不需要介词 'for'。这种错误源于汉语'需要...的东西'的结构迁移。
Not this
The teacher requires us doing homework.
Use this
The teacher requires us to do homework.
require + 宾语后应接带 to 的不定式，而非动名词。这是受到某些动词（如 suggest）接动名词的干扰。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
要求（某人）做某事
The regulations require that all employees wear safety gear.
法规要求所有员工穿戴安全装备。
要求某人做某事
The teacher required the students to submit their essays by Friday.
老师要求学生周五前提交论文。
需要被做（主动表被动）
This plant requires watering every day.
这种植物需要每天浇水。
被要求做某事
All passengers are required to show their boarding pass.
所有乘客被要求出示登机牌。
邪恶获胜只需好人无所作为。
This project will require a lot of effort.
这个项目需要付出很多努力。
Use require naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
re（再）+quire（问）→ 反复询问 → 需要；要求。
常见场景：正式文件、法律条款、工作说明、日常对话 require 多用于正式或中性语境，在日常对话中也常见，但语气比 need 正式。
常用于正式语境，require sb of sth 为较正式用法。
Dictionary facts from ECDICT, WIKTIONARY.