The multi-word verb is a special word class in English.

多词动词是英语中一种特殊的词类。

Word class they attach to.

屈折词缀不改变词类。

The word class that qualifies verbs or clauses.

修饰动词或从句的词类。

How can we automatically tag each word of a text with its word class?

在文本中，我们如何根据词类来自动添加单词标记？

The first chapter mainly analyzes the modal words' position in the word class.

第一章主要分析了方式词的词类地位。