Переведи на английский. Сегодня 15 сентября. Это день знаний. Дети пришли в школу. Это их учительница. Все дети дарят своим учителям букеты, цветы в горшках.

Today is the 15th of September. It's a day of knowledge. The children came to school. This is their teacher. All children give their teachers bouquets, flowers in pots.

Negative.

Today is not the 15th of September. It's not a day of knowledge. The children didn't come to school. This isn't their teacher. All children don't give their teachers bouquets, flowers in pots.

Interrogative.

Is today is the 15th of September? Is it a day of knowledge? Did the children come to school? Is this their teacher? Do all children give their teachers bouquets, flowers in pots?