“Need”是一个很常见的单词，但是越简单的单词，反而让人容易误解它的意思。你真的知道该怎么使用吗？

英文老师整理了 5 个常用的句型并举出例句，让你可以轻松学会”need”的所有常见用法。

1. Main Verb─require/necessity

当作主动词使用时，有需要、必要的意思。

ex. We need to help her.

ex. I need more time to finish the project.

2. Auxiliary Verb─question

“need”也可用来作为问句的开头。

ex. Need we wait any longer?(Yes, you must./NO, you need not. )

3. Negative main Verb

ex. You need not ask my permission to leave.

也可以与否定副词”hardly”一起使用。

ex. I need hardly say that I am very interested in this offer.

ex. We need hardly say that we are eagerly looking forward to meeting you.

4. Need + Have + Past participle

这个句型是用来谈论已发生但其实不必要的事情。

ex. She need not have lost her temper. (He lost her temper but that was unnecessary.)

ex. You need not have refused that offer. (You refused that offer but you shouldn’t have done that.)

5. As a noun

“need”也可以用来当作名词使用。

ex. Education is a need.

ex. What is the difference between a need & a desire?