Hola Dani, en este caso en especial, es una COLLOCATION. Esto quiere decir que ciertos verbos van siempre seguidos de una determinada preposicion. Pueden ser verbos + preposicion o adjetivos + preposición. Estas collocations son arbitrarias, es uso. En Español es igual pero como es tu idioma nativo, no te das cuenta. Por ejemplo, decimos: "Estoy PREOCUPADA POR el exámen que voy a tener mañana" y no "Estoy PREOCUPADA DEL exámen que voy a tener mañana". Otras collocations comunes son: MANAGE TO, SUCCEED IN, PAY IN cash, PAY BY credit card, KEEON ON, OBJECT TO, CONGRATULATE somebody ON, OPPOSED TO, FOCUS ON, INVEST IN, SUFFER FROM, and many others.
Speaking about prepositions, there are prepositions of time and prepositions of place.
Prepositions of time: We use ON for exact dates and days of the week: My birthday is on September 2nd. I play hockey on Tuesdays and Thursdays, but we say AT THE WEEKEND (British Eng.) or ON THE WEEKEND (American Eng.)
We use AT to talk about public holidays and weekends, but when we talk about a particular day or weekend, we use ON: "I will be going on holiday ON the first weekend of March"
IN is used for longer periods of time: Months, years, seasons, etc: IN May, IN 2021, in winter, in the Middle Ages, etc.
Moments of the day: IN the morning, IN the afternoon, IN the evening, but we say AT dawn, AT noon/midday/lunchtime, AT sunset, AT twilight, AT night, AT midnight.
As you can see, it is no so easy to manage prepositions! If you need more help, please call me: 665723433
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