Tsz Long Ng said: I just want to know when to use Keimzelle +ing and +to infinitive Click to expand... There's a difference in meaning, of course. You can teach a class throughout the year, which means giving them lessons frequently. 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 知乎，让每一次点击... https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u