Copular
a. 连接的, 系词的
🗣️ 情景例句
If you don't apply to the relevant department your passport will never be approved.
如果你不向有关部门申请，你就得不到护照。
I ask him to stay at home.
我要求他待在家里。
I want you to look at this material.
我要你看看这材料！