force的过去式
Force的过去式解析
1. 基本概念:动词的过去式
动词的过去式是英语语法中表示动作发生在过去的形式,通常通过规则变化或不规则变化构成。规则动词的过去式在词尾加-ed,而不规则动词的过去式需要单独记忆。
2. Force的词性与含义
- 词性:Force既是名词(意为“力量、武力、影响力”)也是动词(意为“强迫、迫使”)。
- 动词含义:当作为动词使用时,force表示“强迫某人做某事”或“用力量推动某物”。
3. Force的过去式形式
- 过去式:Forced
- 发音:/fɔːrst/
- 构成规则:Force属于规则动词,其过去式直接在词尾加-ed,即“force + ed = forced”。
- 例句:
- He forced the door open.(他用力推开了门。)
- She was forced to resign due to pressure.(她因压力被迫辞职。)
4. Force的过去分词形式
- 过去分词:Forced(与过去式相同)
- 用法:用于完成时态(如“have forced”)或被动语态(如“be forced”)。
- 例句:
- The wind has forced the trees to bend.(风迫使树弯曲。)
- The decision was forced upon us by circumstances.(这个决定是环境所迫。)
5. 常见搭配与短语
- Force sb to do sth:强迫某人做某事
- 例:The law forced companies to reduce emissions.(法律迫使公司减少排放。)
- Force one's way:强行通过
- 例:He forced his way through the crowd.(他强行挤过人群。)
- Force a smile:强颜欢笑
- 例:She forced a smile despite her sadness.(尽管悲伤,她仍强颜欢笑。)
6. 易混淆点辨析
- Force vs. Forced:
- Force是动词原形,用于一般现在时(如“I force you to go”)。
- Forced是过去式或过去分词,用于过去时或完成时/被动语态(如“He forced me”或“I was forced”)。
- 发音注意:
- Force的过去式“forced”中,字母组合“ce”发/t/音(类似“forst”),而非/s/音。
7. 练习与巩固
-
填空练习:
- She ______ (force) the key into the lock yesterday.
- They ______ (be forced) to cancel the trip due to rain.
答案: - forced
- were forced
-
翻译练习:
- 翻译:他被迫承认错误。
答案:He was forced to admit his mistake.
- 翻译:他被迫承认错误。
8. 总结
- Force的过去式是forced,属于规则变化。
- 需注意其作为动词时的常见搭配(如“force sb to do sth”)及被动语态用法。
- 通过例句和练习可加深记忆,避免混淆原形与过去式。





