Prepositions of Time — For and During (Levels A2, B1)
FOR
We use for when we say the number of hours, days, months, etc. We also use it in expressions like “for ages” and “for a long time”.
Example: I’m going to live in France for 2 months. — Я собираюсь пожить два месяца во Франции.
Example: Mr Black has been a client of this firm for many years. — Мистер Блэк уже много лет является клиентом этой фирмы.
DURING
We use during with nouns (e.g. the holiday, my party, the night). Sometimes it means “for all the time”, and sometimes it means “for just a part of the time”.
Example: The city centre is quite lively during the day. — Центр города очень оживленный в течение дня.