1.we use clothe bags instead of plastic bags
=>clothe bags are used instead of plastic bags by us.
2.people don't use this road very often
=>this road isn't used very often.
3.we will plant a lot of trees in the park
=>a lot of trees will planted in the park by us.
4.they wash the glass with detergent liquid
=>the glass is washed with detergent liquid .
5.people speak english over the world
=>english is spoken over the world.