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feed的过去式和过去分词是什么

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关于“feed”的过去式和过去分词,综合相关信息整理如下:

一、基本规则

过去式与过去分词相同

“feed”的过去式和过去分词均为 fed,属于不规则动词的典型例子。

变形规则

- 现在分词:feeding

- 第三人称单数现在时:feeds

- 第三人称单数过去时:fed

二、用法说明

基本含义

- 动词:喂养(如:The cat feeds the mice every day.)

- 其他含义:满足(如:He fed on his success.)

- 名词:饲料(如:The chicken feed is fresh.)

短语搭配

- feed rate:

进给率(如:The machine has a high feed rate.)

- feed system:供料系统(如:Automated feed systems are used in factories.)

- feed on:依赖(如:He feeds on music for inspiration.)

三、例句参考

过去时态

The dog was fed by its owner every morning.

Last night, I fed the plants with water.

过去分词作后置定语

The fed cat curled up on the sofa.

完成时态

By the time we arrived, the meeting had already been fed.

四、总结

“feed”的过去式和过去分词均为 fed,其变形规则与其他不规则动词(如goed/went, eat/ate)一致。掌握其基本用法和搭配,可有效提升英语表达的准确性。