Arest
be的第一、二、三人称复数和第二人称单数, 现在陈述语气[见be]
🗣️ 情景例句
You're ahead.
你领先呢。
Arthur must send that letter soon.
亚瑟，你必须立刻投递那封信。
The students walked through the gates with Uncle Wang.
学生们跟随王大叔走进大门。