Earth Hour (Passive constructions)

If ___________________ in Earth Hour, individuals, communities and businesses commit to turning off non-essential electric lights for one scheduled hour.

• they are involved

• they involved

• involved

Landmarks in big cities all over the world are switching off lights to show their support. It needs to be seen ___________!

• to have believed

• to be believed

• to believe

Many participants want to emphasise to world leaders that steps_________________ to preserve our planet.

• must be taken

• have taken

• must take

• have to be taken

Earth Hour is rumoured___________ transformations such as the creation of a marine reserve in

Argentina, a forest in Uganda and a plastic ban in the Galapagos.

• to have influenced

• be influenced

• to be influenced

Another reason for Earth Hour is so that conversations about living a more sustainable lifestyle______________.

• might said to be started

• might be started

• might to be started

It_________________that discussing issues and solutions may be the catalyst for longer-lasting changes.

• is believed

• has believed

• is believing

Earth Hour is said ___________ millions of people to engage with climate change.

• to have influenced

• influenced

• to be influenced

After ______________ successfully in Sydney in 2007 by the World Wildlife Fund, Earth Hour went international the next year.

• to be hosted

• being hosted

• hosting

Today, the event ____________ to be hosted in over 188 countries and territories worldwide.

• has thought

• is thought

• is being thought

Do you think Earth Hour is an effective way to encourage environmental transformation?

• Yes

• No

• Probably yes

• Probably no