The teacher asked me in class what the past participle of "read" was.

老师在课上问我“read”的过去分词是什么。

Some verbs have the same original form as past participles.

有些动词的原形和过去分词是一样的。

Participles are divided into present participles and past participles.

分词分为现在分词和过去分词。

The past participle of regular verbs ends in '-ed'.

规则动词的过去分词以-ed结尾。

What is a "dangling participle"?

什么是“半天吊”的分词？

So there will be a participle necessary.

于是就有了分词的必要。

A participle that expresses completed action.

表示完成动作的分词。

The past participle used as object complement.

过去分词用作宾语补足语。