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need用法归纳
Need是一个常用的动词,它可以用来表示需要或者必须。在英语中,需要理解和掌握need的不同用法和词性,以便正确地运用。本文将对need的不同用法进行归纳和解释。
1. Need作为主动动词
"Need"作为主动动词时,表示需要或者必须。它可以用作实义动词,后接名词、代词、动名词或者从句作宾语。例如:
- I need a new pair of shoes. (我需要一双新鞋。)
- She needs to finish her homework before watching TV. (她需要在看电视之前完成作业。) - We need you to help us with the project. (我们需要你帮助我们完成这个项目。) - They need that machine for their experiment. (他们需要那台机器进行实验。) 2. Need作为情态动词
"Need"也可以作为情态动词,后面接动词原形,表示必须或者需要做某事。与其它情态动词类似,它在句子中没有人称和数的变化。例如:
- You need to study harder for the exam. (你需要更加努力地学习准备考试。) - We need to be there by 9:00 am.
(我们需要在早上9点之前到那里。) - They need to stop smoking. (他们需要戒烟。)
- She needs to improve her English speaking skills. (她需要提高自己的英语口语能力。) 3. Need作为名词
"Need"还可以作为名词使用,表示需求或者需要。作为名词时,它通常出现在复数形式中。例如:
- The company is responding to the needs of its customers. (公司正在满足顾客的需求。)
- There are many people in need of food and shelter. (有许多需要食物和住所的人。)
- The government should address the healthcare needs of the population. (政府应该满足人民的医疗需求。) 4. Need to和Need not
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