question: by measurements after 28 days the values had dropped further.
Capitalize this past sentence correctly.
A: By measurements after 28 days the values had dropped further.

question: in the case that your asl file doesn't open, it is highly likely that you do not have the correct software application installed on your pc to view or edit asl file extensions.
Capitalize this past sentence correctly.
A: In the case that your ASL file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit ASL file extensions.

question: if guests cancel the reservation at least 96 hours (4 days) before arrival, the hotel will charge the amount of 1 night only.
Capitalize this past sentence correctly.
A: If guests cancel the reservation at least 96 hours (4 days) before arrival, the hotel will charge the amount of 1 night only.