it is a 2-bedroom property with a double bed in each room.

How would the previous sentence be correctly capitalized?
Answer: It is a 2-bedroom property with a double bed in each room.
please do not send the complaint by post or fax if it has already been sent by email or using the online form.

How would the previous sentence be correctly capitalized?
Answer: Please do not send the complaint by post or fax if it has already been sent by email or using the online form.
i had to find someone who had had the same level of experience as i had.

How would the previous sentence be correctly capitalized?
Answer: I had to find someone who had had the same level of experience as I had.
my father and grandfather's instruments could but measure to within fifteen seconds; the instrument of m borda here can measure to within one second.

How would the previous sentence be correctly capitalized?
Answer: My father and grandfather's instruments could but measure to within fifteen seconds; the instrument of M Borda here can measure to within one second.