because i know that behind every success story there is hard work.

How would the previous sentence be correctly capitalized?
Answer: Because I know that behind every success story there is hard work.
now it becomes more complicated.

How would the previous sentence be correctly capitalized?
Answer: Now it becomes more complicated.
when i first visited i was slightly offended.

How would the previous sentence be correctly capitalized?
Answer: When I first visited I was slightly offended.
in total, no person must pay more than 51.5% in national and municipal taxes combined.

How would the previous sentence be correctly capitalized?
Answer: In total, no person must pay more than 51.5% in national and municipal taxes combined.