1)перевести предложения (present simple) мы всегда отмечаем дни рождения членов нашей семьи) 2) (past simple) на прошлой

1. We always celebrate the birthdays of our family members.

2. Last week the pupils (students) participated in the meeting.

3. Yesterday by 5 o\'clock I had been reading the book for an hour.

4. My friend will have finished the task by the next week.

5. Kate has been working as a teacher for a year.