Англичане!!!!!! Прошу вашей помощи!! Заранее спасибо!

I

1 have just come 2 was 3 have been singing

II

1 the cook didn’t make breakfast. Did the cook make breakfast?

2 We don’t study French at school. Do we study French at school.?

III

1 were waiting 2 had studied

IV

1 fell- hurt- was riding

2 have already learnt