The following common prefixes are always separable when attached to a main verb: The following prefixes are separable when they precede certain verbs and inseparable when they precede others: Don't worry if you can't remember all of these - this will take some time. For the moment you should try to remember which verbs that we encounter during this course are separable and how they should be used. We will always indicate which verbs are separable in our vocabulary lists.