If an analysis of their grammatical usages and their substitute rules like syntactical structures, parts of speech, simple and complicated usages and mood is adopted in teaching, there will be helpful in distinguishing their differences.
If an analysis of their grammatical usages and their substitute rules like syntactical structures, parts of speech, simple and complicated usages and mood is adopted in teaching, there will be helpful in distinguishing their differences.
针对这个问题，如果着重从句类、词类、简单和复杂、语气等方面探讨二词所处语言环境的异同，进而以“恰好”为基点，通过对大量真实语料的分析来讨论其替换规则，这将为二词的功能和区分理出一个较为清晰的思路。