Avoid weak structures like there is and it is at all costs!
There is another videotape that tells the story of Charles Darwin.
Rewrite: Another videotape tells the story of Charles Darwin.
It is important that hikers remain inside the park boundaries.
Rewrite: Hikers must remain inside the park boundaries.
Avoid weak to be verbs!
Escaping into the world of drugs, Gogol was rebellious about many rules set down by his parents. Rewrite: Escaping into the world of drugs, Gogol rebelled against many rules set down by his parents.
The subject of sentence should do the action!
The fly ball was caught by Hernando.
Hernando caught the fly ball.
Revise the following sentences into active voice:
1. The tree was hit by a car.
2. These planes are flown by experienced pilots.
3. There are five students studying Japanese.
4. The car was washed by us.