Examples:

• Come rain or shine, I'll be there for your birthday party.
• She promised to support me come rain or shine.
• The event will proceed as planned, come rain or shine.
• He goes jogging every morning, come rain or shine.
• We're determined to finish this project, come rain or shine.
• The farmers work in the fields every day, come rain or shine.
• Come rain or shine, they attend every soccer match.
• Our friendship will last, come rain or shine.
• They vowed to stand by each other, come rain or shine.
• The postman delivers mail, come rain or shine.
• She practices her violin diligently, come rain or shine.
• Come rain or shine, they walk their dog every evening.
• The old couple takes their daily walk, come rain or shine.
• Despite the difficulties, he remains cheerful, come rain or shine.
• They planned to travel the world, come rain or shine.
• In a race lasting 400 laps each driver will need to get it absolutely right 130 times–come rain or shine, daylight or darkness.
• The most valuable element in the framework of the project is the social network that has been established to help people in need. This is a strong network aimed at working for vulnerable people, come rain or shine.
• The good news is that we'll be here all summer long dishing out great new games every month on PlayStation Plus, so come rain or shine, you can count on us! And, wouldn't you know it?
• I don't know about you, but I plan to go out with my friends tomorrow come rain or shine.