Examples:

• I almost didn’t go on stage and perform tonight because I had butterflies in my stomach.
• I always get butterflies in my stomach before a big exam.
• She had butterflies in her stomach before her first date with him.
• He had butterflies in his stomach before his job interview.
• She had butterflies in her stomach before her wedding day.
• I get butterflies in my stomach before I perform on stage.
• He had butterflies in his stomach before his first day of school.
• She had butterflies in her stomach before her first solo flight as a pilot.
• I always get butterflies in my stomach before a big game.
• He had butterflies in his stomach before his first public speaking event.
• She had butterflies in her stomach before her first day of work at the new company.
• I get butterflies in my stomach before I give a presentation.
• He had butterflies in his stomach before his first meeting with his new boss.
• She had butterflies in her stomach before her first concert as a musician.
• I always get butterflies in my stomach before a big exam.
• He had butterflies in his stomach before his first skydiving experience.