3. transform the sentences from the active into the passive. 1. john mills is preparing an expedition to the north pole. 2. many tv networks will film the expedition. 3. they are going to show the expedition on national television. 4. john mills has already bought all the necessary equipment. 5. he is going to set up an observation camp there. 6. many people have raised objections to this expedition. 1. the chief architects and engineers are discussing the project of a new trade centre. 2. the general managers have already signed all the necessary documents. 3. they are going to start building works in april. 4. many building firms will support the project. 5. they are going to build the biggest trade and entertainment centre in the region. 6. the public has raised objections to this project.