For example: He fell asleep during the film. He was asleep for half an hour. Did you notice the difference between for and during? For – the length of time an action occurred; during – when it occurred. Here are a few more examples of the use of during: Jane suddenly began to feel ill during the examination.

Examples of during in a Sentence She swims every day during the summer. We got along well during the trip. He worked in the field during most of the day. During the interview, they asked about my previous jobs. The fire alarm went off during the ceremony.

during is a preposition which is used before a noun (during + noun) to say when something happens. It does not tell us how long it happened. For example: "Nobody spoke during the presentation." "We get plenty of snow here during the winter."

We use during before nouns and noun phrases to refer to when something happens over a period of time. During can refer to the whole time of the event: You are not allowed to use your mobile phone during class. (the whole of the class) I have to have my window open during the night. (the whole of the night)

During is used to say when something happens; for is used to say how long it lasts. I was in France during the summer. I was in France for two months. (NOT I was in France during two months.) It rained during the night for two hours. I had a strange experience during my vacation. I stayed with them for three weeks.