1.require doing sth 需要被做 = require to be done

Lentils do not require soaking before cooking.

小扁豆在烹饪前不必浸泡。

Like any other type of equipment it requires regular servicing.

它和其他类型的设备一样，也需要定期检修。

2.require sb.to do sth 需要某人做某事；命令某人做某事情

True marriage requires us to show trust and loyalty.

真正的婚姻有赖于我们表现出信任与忠诚。

The rules also require employers to provide safety training.

这些规定还要求雇主提供安全培训。

The job will require you to use all your skills to the maximum.

这项工作将要求你最大限度地发挥你的技能。

All candidates will be required to take a short test.

所有候选者都要参加一次小测验。

Students are required to be in school by 8.30.

学生须在8:30以前到校。

3.require sth 需要某物

Teaching children with special needs requires patience and understanding.

教育有特殊需要的儿童需要耐心和体谅。

Achieving success at this level requires a commitment of time and energy.

取得这种水平的成就需要花费时间和精力。

A career as an actor requires one hundred per cent commitment.

干演员这一行需要百分之百的投入。

These pets require a lot of care and attention.

这些宠物需要悉心照顾。

This condition requires urgent treatment.

这种情况得紧急处理。

Do you require full or half board?

你要全食宿还是半食宿？

4.require (that) sb.should do sth.从句用虚拟语气,其中should do或do形式均可.

The situation required that he be present.

这种情形需要他在场。

The situation required that he should be present.

这种情形需要他在场。