During is used before nouns and noun phrases to refer to when something happens over a period of time. Here are some examples of how to use it in a sentence: ^{cambridge.org}+4 ^{1 2 3 4 5}

• "I studied during the weekend."
• "I worked on my project during the summer."
• "She swims every day during the summer."
• "The fire alarm went off during the ceremony."