It's the first time he has phoned me.
=> He has phoned me for the first time
5. James hasn't called me since last week.
=> The last time she called me since last week 
6. The last time Peter had dinner with Tom was some days ago
=> Tom has had dinner with peter some days ago
7. John doesn't have enough money so he can't buy that car.
=> If John have enough money, he will buy that car
8. Phong hasn't finished homework before.
=> It's 
9. Mai last drew a picture in 2020.
=> Mai
=> The last time she drew a piture was 2020