Operator

操作词

In some approaches to English grammar (notably Quirk grammar), the first auxiliary verb to be used in a verb phrase. It is so called because it performs an operation on the clause, such as marking the change from statement to question.

有的英语语法（特别是夸克语法）中，用来指动词短语中的第一个助动词。称其为操作词是因为它对小句的“操作”作用，如标记从陈述到提问的变化。