question: you can change the bet per win by clicking the ◄ or ► buttons between bet and per win.
Capitalize this past sentence correctly.
A: You can change the bet per win by clicking the ◄ or ► buttons between BET and PER WIN.

question: downforward = downforward key or the keys down and forward pushed simultaneously
Capitalize this past sentence correctly.
A: DOWNFORWARD = downforward key or the keys down and forward pushed simultaneously

question: previous clinical trials using drugs like self-injectable interferon treatments demonstrated mixed results and have not become mainstream treatments.
Capitalize this past sentence correctly.
A: Previous clinical trials using drugs like self-injectable interferon treatments demonstrated mixed results and have not become mainstream treatments.