Front

The dog chases the ball in the park.

Back

The ball is chased by the dog in the park.

Front

A letter is written by her to her friend.

Back

She writes a letter to her friend.

Front

We visited the museum last weekend.

Back

The museum was visited by us last weekend.

Front

They are building a sandcastle at the beach.

Back

A sandcastle is being built by them at the beach.

Front

They have won three games this season.

Back

Three games have been won by them this season.

Front

A test would be given by the teacher the next day.

Back

The teacher would give a test the next day.

Front

They have been practicing their dance routine since morning.

Back

Their dance routine has been being practiced by them since morning.

Front

ACTIVE:
The volunteers had cleaned the beach since early morning.

Back

PASSIVE:

The beach had been cleaned by the volunteers since early morning.