Present Perfect/Present Perfect Continious.
Пример1:Donald has been wasting his pocket money on computer games.
Пример2:He has wasted more than $50 on new games this week.
1.type
Anna ................................ since 10 o'clock
She .................................... five letters so far.
2.Pack
Lisa and Tony ................................. all evening
They ......................................... four boxes so far.

1. Anna has been typing letters since 10 o'clock.She has typed five letters so far.2. Lisa and Tony have been packing boxes all evening.They have packed four boxes so far.