Put the verbs in brackets into the past indefinite passive voice. 1.the patient (to ask) some questions yesterday. 2. all the necessary medicines (to buy) for steve. 3. steve (to visit) by his friends because of his illness. 4. what his disease (to cause) by? 5. who ( to call) last week when your sister was ill? 6. what medicines the children (to prescribe) for their illnesses?
2. were bought (по тому же принципу, что и в 1, только множественное число)
3. have been visited (have been+ глагол в 3 форме, "to visit" - правильный, добавляем просто окончание "ed"; Present Perfect, потому что в данном предложении результат)
4. is caused (подлежащее+be+глагол в 3 форме, "to cause" - правильный, окончание "ed"; Present Simple)
5. is called (подлежащее+be+глагол в 3 форме, глагол "to сall" - правильный, окончание "ed"; Past Simple, показатель last week)
6. are prescribe (подлежащее+be+глагол в 3 форме, "to prescribe" - правильный, окончание "ed"; Present Simple)