Rewrite the given sentences in passive voice? 1)He often checks the battery in the car. 2)They planted twenty busher.

1) The battery in the car is often checked by him. (Батарея в автомобиле часто им проверяется.) 2) Twenty bushes were planted by them. (Двадцать кустов было ими посажено.) 3) This car is driven by the man. (Этот автомобиль управляется человеком.) 4) A mobile phone was bought to me by my parents for my successful studying. (Мобильный телефон был куплен мне моими родителями для моей успешной учебы.)