maintain的其他形式
【maintain的其他形式】在英语学习中,掌握一个动词的不同形式对于理解和运用该词至关重要。"Maintain" 是一个常见的动词,意为“维持、保持、维修、赡养”等。它在不同语境下有多种变化形式,包括时态、语态和派生词等。以下是对 "maintain" 的其他形式进行的总结。
一、基本形式与变化
| 词性 | 原形 | 过去式 | 过去分词 | 现在分词 | 第三人称单数 |
| 动词 | maintain | maintained | maintained | maintaining | maintains |
二、时态变化
1. 一般现在时:
- I maintain a healthy lifestyle.
- He maintains his car regularly.
2. 一般过去时:
- They maintained the equipment for the event.
- She maintained her position as manager.
3. 一般将来时:
- We will maintain our standards of quality.
- The company will maintain its growth rate.
4. 现在进行时:
- He is maintaining the system.
- They are maintaining the building.
5. 过去进行时:
- She was maintaining the machine when I arrived.
- They were maintaining the network during the storm.
6. 现在完成时:
- He has maintained his health for years.
- We have maintained the relationship with our clients.
7. 过去完成时:
- By the time the problem arose, they had maintained the system for months.
- She had maintained the project before the deadline.
三、被动语态形式
- 主动语态:The technician maintains the machine.
- 被动语态:The machine is maintained by the technician.
- 过去时被动:The machine was maintained yesterday.
- 将来时被动:The machine will be maintained next week.
四、派生词与相关词汇
| 词性 | 单词 | 含义 |
| 名词 | maintenance | 维护、保养 |
| 形容词 | maintained | 被维护的 |
| 动名词 | maintaining | 维持、保养(动作) |
| 副词 | maintainer | 维护者(人) |
五、常见搭配与用法
- maintain a relationship:维持关系
- maintain a standard:保持标准
- maintain a schedule:保持日程安排
- maintain a calm attitude:保持冷静态度
- maintain a house:照看房子
六、注意事项
- "Maintain" 强调“持续性的行为”,常用于正式或书面语中。
- 它与 "keep" 和 "sustain" 有相似含义,但在使用上略有区别。例如:"keep" 更强调“保持状态”,而 "maintain" 更强调“通过努力维持”。
- 在技术或工程领域,"maintain" 常用于描述设备或系统的保养工作。
总结
"Maintain" 是一个多功能的动词,其形式多样,适用于不同语境。掌握其不同形式不仅有助于提高语言准确性,也能增强表达的灵活性。通过了解其时态、语态和相关词汇,可以更有效地在实际交流中使用这个词。
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