1. Both sisters take after their mother in looks. [to take after = to have a similar appearance]
2. My father has taken up singing. [to take up = to start doing something regularly]
3. When the football captain become ill John took on the team. [to take on = to accept some responsibility/work]
4. I've forgotten to take my books back to the library. [to take back = to return something to a store]
5. My colleague is ill so I've taken on some extra work. [to take on = to accept some responsibility/work]
