Infinitival
a. 不定式的
🗣️ 情景例句
Do you have any coupons?
你们有优惠卡吗？
Pick up the receiver and deposit a coin in the slot.
拿起听筒和放一个硬币到投币口。
Here you are. Put them on, please. You must look after your clothes.
给你们，穿上吧！你们要好好保管你们的衣服。