составить 5 предложений в Past Simple и потом этих 5 предложений написать только уже в Present Perfect (всего 10 предложений) ​

1the lesson began five minutes ago

2we sang songs on the concert

3Olga didn't buy a new bag

4Did you go to the theatre last Sunday?

5did your friend invite you on her birthday party?

1the lesson has already begun

2we have just sung on the concert

3Olga hasn't bought a new bag yet

4Have you gone to the theatre this week?

5has your friend invited you on her birthday party?

4