then i had a bronchoscope under general anaesthesia, and afterwards the physician said, ”your lungs cannot stand more coughing.

How would the previous sentence be correctly capitalized?
Answer: Then I had a bronchoscope under general anaesthesia, and afterwards the physician said, ”Your lungs cannot stand more coughing.
if you have questions regarding the transition of business ownership, we are more than happy to assist you.

How would the previous sentence be correctly capitalized?
Answer: If you have questions regarding the transition of business ownership, we are more than happy to assist you.
investigations with medical devices shall also be registered in a publicly accessible register.

How would the previous sentence be correctly capitalized?
Answer: Investigations with medical devices shall also be registered in a publicly accessible register.
no doubt, a good standard can ease consumers' life, promote sustainability, enhance european competitiveness and technological leadership in global markets.

How would the previous sentence be correctly capitalized?
Answer: No doubt, a good standard can ease consumers' life, promote sustainability, enhance European competitiveness and technological leadership in global markets.