Ответ:
- Ann woke up late and missed her breakfast on Monday. (Past Simple)
- I have forgotten to turn off the stove after dinner. I have forgotten to turn off the stove a lot of times in my lifetime. (Present Perfect)
- The children hid in the basement yesterday. They have hidden in the basement often since they discovered a secret place there. (Past Simple, Present Perfect, Past Simple)
- The baseball player hit the ball out of the stadium yesterday. He has hit a lot of homeruns since he joined our team. (Past Simple, Present Perfect, Past Simple)
Ответ: 1. woke, missed; 2. have forgotten, have forgotten; 3. hid, have hidden, discovered; 4. hit, has hit, joined
Молодец! Продолжай в том же духе, и у тебя всё получится!