1. 1) It's four o'clock
2) It's ten to four
3) It's twenty to three
4) It's half past eight
2. Это вроде устно
3. 1) Helen wants to practice basketball with Jenny
2) The court is open from half past three(3:30) to seven o'clock(7:00)
3) They decide to meet at half past four(4:30)