下面内容是“important”一词的用法归纳,涵盖其词性、句型结构、固定搭配、常见错误及同义词辨析,并辅以例句说明:
一、词性与基本含义
形容词(adjective),表示“重要的;有影响力的;大量的;自负的”:
核心含义:描述事物具有重大意义或影响力。
例句:Trust is important in any relationship.(在任何关系中,信赖都很重要)
例句:He is an important scholar in his field.(他是其领域的重要学者)
二、句型结构
1. 形式主语(It is important that…)
用 it 作形式主语,后接 that从句(动词常用原形或“should + 原形”):
例句:It is important that she (should) attend the meeting.(她出席会议很重要)
错误修正:× It is important her to attend. It is important for her to attend.
2. 名词化表达(be of importance)
用 “be of + 抽象名词” 替代形容词,强调性质:
例句:This decision is of great importance.(这一决定至关重要)
错误对比:× It is of great important. It is of great importance.
3. 后接介词短语
Important to(主观价格):对某人/事重要
例句:Her career is important to her.(事业对她很重要)
Important for(客观影响):对某目标必要
例句:Exercise is important for health.(锻炼对健壮很重要)
三、固定搭配与短语
优先级修饰:
more/most important(更/最重要的)
vitally/highly important(极其重要的)
动词搭配:
play an important role(起重要影响)
look important(显得重要)
名词搭配:
important news(重要新闻)
important decision(重大决定)
四、常见错误与纠正
1. 误用形容词代替名词:
× The matter is of great important.
The matter is of great importance.
2. 混淆介词:
× This is important for me.(若强调个人价格)
This is important to me.
五、同义词辨析
| 词汇 | 语义侧重 | 例句 | 来源 |
| essential | 完全必要,不可或缺 | Water is essential for life.(水是生活必需) | |
| vital | 对生存或功能至关重要 | Oxygen is vital to survival.(氧气对生存至关重要) | |
| crucial | 关键性影响,决定成败 | Timing is crucial in this project.(时机在此项目中至关重要) | |
| significant | 值得注意的意义或影响 | The discovery was significant.(这一发现意义重大) | |
拓展资料
语法核心:作形容词时需搭配正确句型(如形式主语);名词形式为 importance,用于“be of”结构。
使用场景:正式写作中可替换同义词避免重复,但需注意语义差异(如essential强调必要性,vital强调生存关联)。
避错指南:区分介词(to vs. for)及名词/形容词形式(importance vs. important)。
> 进一步进修可参考剑桥词典例句或语法指南,操作时注意上下文适配性。