Add punctuation: There are lots of sports activities on Lake Garda and in the surrounding area there are riding centres that as well as offering lessons for beginners and advanced riders also organise promenades or even long riding excursions
A: There are lots of sports activities on Lake Garda, and in the surrounding area there are riding centres that, as well as offering lessons for beginners and advanced riders, also organise promenades or even long riding excursions.

Add punctuation: He wore this generals uniform from the Life Guards Infantry Regiment when he was painted by Wilhelm Gertner
A: He wore this general's uniform from the "Life Guards Infantry Regiment" when he was painted by Wilhelm Gertner.

Add punctuation: The apartment is nice and bright
A:
The apartment is nice and bright.