Usages of должен
Новое грамматическое правило: модальные глаголы «мочь», «надо» и «должен», а также конструкция «можно + инфинитив».
New grammar rule: the modal verbs “мочь,” “надо,” and “должен,” as well as the construction “можно + infinitive.”
Повседневная одежда должна быть удобной.
Everyday clothing should be comfortable.
На узкой дороге скорость должна быть ниже, чем на шоссе.
On a narrow road, the speed should be lower than on the highway.
Ребёнок не должен бросать мусор в парке.
A child should not throw trash in the park.
Перед поездкой лучше проверить, к какому входу должно подъехать такси.
Before the trip, it is better to check which entrance the taxi should pull up to.
Врач объяснил, что смесь уже не должна быть единственной едой, потому что пора вводить прикорм.
The doctor explained that formula should no longer be the only food, because it is time to introduce complementary food.
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