need的五種句型

1、當作主動詞使用時，有需要、必要的意思。2、“need”也可用來作為問句的開頭。3、也可以與否定副詞”hardly”一起使用。4、Need+Have+Past participle.這個句型是用來談論已發(fā)生但其實不必要的事情。5、“need”也可以用來當作名詞使用。

Need”的常見用法與句型

1.Main Verb─require/necessity

當作主動詞使用時，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”也可用來作為問句的開頭。

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.

也可以與否定副詞”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

這個句型是用來談論已發(fā)生但其實不必要的事情。

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”也可以用來當作名詞使用。

ex. Education is a need.

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