Reduced Relative Clauses — Active vs Passive (C1)

The man the piano on stage is a world-famous composer. (play)

The piece of music at the concert was over a century old. (play)

Drivers in this zone without a permit will be fined. (park)

Cars in this zone without a permit will be towed away. (park)

The professor the keynote lecture has written several books. (give)

The keynote lecture by the professor drew a record crowd. (give)

Anyone to the seminar late should enter quietly. (arrive)

Files as confidential must be stored in the secure cabinet. (mark)

The river through the old town floods almost every spring. (flow)

The bridge across the gorge in 1890 is still in use today. (build)

Students for the final exam may book a study room. (revise)

The results at the press conference surprised the whole industry. (announce)

A start-up at thirty per cent a year needs careful management. (grow)

Products in this factory are exported to over sixty countries. (make)

The decision by the board last night cannot now be reversed. (take)