Tote bags __________________ to reduce the amount of plastic waste.
are used
The sea in Hong Kong _________________, causing the death of many marine animals.
is polluted
Rubbish _________________ everywhere in the urban area in Hong Kong.
is seen
The LED lights on the walls of skyscrapers ____________________ in order to prevent light pollution.
should be turned off
Public transport _________________ in order to stop air pollution.
is used
My sleep ____________________ by my noisy neighbours. They never turn down the volumn of the TV!
is disturbed
What is the structure of passive voice?
be + p.p.
When do we use passive voice?
When we want to sound more formal, and the action is more important than the doer.
