We...English, so I know it a little.
1learned
2learns
3 should learn
4were learning

1 You mustn't make noise;
2 You mustn't eat in the room;
3 You mustn't throw litter everywhere;
4 You mustn't feed the fish;
5 You mustn't run or kick the ball in the room;

1 You can use the computer or watch TV;
2 You can read or do the homework;
3 You can have rest in the room;
4 You can air the room and water the plants;
5 You can play with toys.

1 Вы не должны шуметь;
2 Вы не должны есть в комнате;
3 Нельзя бросать мусор;
4 Вы не должны кормить рыб;
5 Вы не должны бегать или пинать мяч в комнате;
1 Вы можете использовать компьютер или посмотреть телевизор;
2 Вы можете почитать или делать домашнюю работу;
3 Вы можете отдохнуть в комнате;
4 Вы можете проветрить помещение и полить растения;
5 Вы можете играть с игрушками.

1. They say they were playing football at 5 o'clock last week.
2. He says he will try to phone them tomorrow.
3. They say that yesterday it was very cold.
4. She says she had written a letter before they phoned her.
5. They want to know if she has been to St Petersburg.
6. They want to know if she has been crying.
7. They say that it's raining again.
8. She says she often watches TV in the evening.
9. They want to know what she is doing now.
10. They tell them to come home by 11 p.m.
11. They tell Anna not to lend money to strangers.