We spent the whole day swimming and playing football by the lake. It was so much fun that we lost the track of time. Then Serezha and I went to pick berries and we were competing who was going to get more wild strawberries
My morning was no different from those I normally have. However, I knew there is an important test ahead. Our teacher of Maths calls it a final exam of the year. So, you can imagine how important it was for everyone. I spent a week preparing for this test. As I said, my morning went quite well, but since the time I stepped out into the street the minor problems and misfortunes began
Are ставим, если в роли подлежащего you, we, they и слова, которые можно заменить этими местоимениями (people, eggs, “you and I” и т. д.)
в вопросительном предложении ставится в зависимости от того,в каком оно времени