Пример: Доктор Росс знает Мистера Харрисона с 2000 года.
1) Rose Smith has known John Parker for 6 months. (6 месяцев)
2) Simon has known Alan Willer all his life. (всю свою жизнь)
3) Mrs Parson has known Ronald Scott since she visited Britain. (с того момента, как она побывала в Великобритании.)
4) Roger Gordon has known Tony Dobson for 2 years and a half. (2,5 года)
5) Miss Hook has known Fanny Devlin for half a year. (полгода)
6) Walter has known Sam for 3 days. (три дня)
7) Lena has known Oleg since she went to school. (с того момента, как она пошла в школу)
8) Olga has known Boris since last year. (с прошлого года)
