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
Sounds great.
听起来不错。
I'm pressed for money.
我苦于没钱。
After it had passed, they swam on as quickly as they could because they knew that the boat would soon return.
快艇过去之后，他们以最快的速度向前游去，因为他们知道快艇马上就要转回来。