QUESTION: Fix punctuation: When Willumsen was in his severties he painted a series of three selfportraits that were intended to give posterity an impression of this very special artist
ANS: When Willumsen was in his severties, he painted a series of three self-portraits that were intended to give posterity an impression of this very special artist.

QUESTION: Fix punctuation: In a few words Karma is a theme designed to optimize your SEO responsive which is perfectly compatible with WooCommerce ready to be translated into all languages excellent support not to mention the many videos available to us to understand the proper how to configure and use this WordPress theme
ANS: In a few words, Karma is a theme designed to optimize your SEO, responsive, which is perfectly compatible with WooCommerce, ready to be translated into all languages, excellent support, not to mention the many videos available to us to understand the proper how to configure and use this WordPress theme.

QUESTION: Fix punctuation: We have included all the information about dental services available in our dental clinics
ANS: We have included all the information about dental services available in our dental clinics.

QUESTION: Fix punctuation: Petit Laurence used this woodcut with an empty scroll in Lomme pecheur par personnages jou en la ville de Tours printed for Guillaume Eustace in 1494 and LOrdinaire des chrtiens from 15001502 The latter even starts with the text O creature raisonnable picture to the left
ANS:
Petit Laurence used this woodcut (with an empty scroll) in Lomme pecheur par personnages, joue en la ville de Tours printed for Guillaume Eustace in 1494, and L'Ordinaire des chretiens' from 1500-1502. The latter even starts with the text: "O creature raisonnable" (picture to the left).