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
Part of the building for older people,
建筑物中的一部分给老年人用，
What a disappointment.
真是失望透顶。
How much did you pay for all these things? asked her mother.
“买所有这些东西你付了多少钱？”她妈妈问。