Tsz Long Ng said: I just want to know when to use Keimzelle +ing and +to infinitive Click to expand... 展开全部 version的意思是版本、译本和说法，作为名词使用，具体分析如下： Actually, they keep using these two words just like this all the time. Rein one and the same Lyrics they use "at a lesson" and "hinein class" and https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u