Preverb
句首助动词, 前动词(即移至句子第一个位置上的助动词)
🗣️ 情景例句
First, we need to more public relations activities to promote understanding.
首先，我们应该更多地做公关活动以促进了解。
What do you think?Is that right?
你认为什么?那是正确的？
Yes. I was a little ill.
是的，我有点不舒服。