Study

Our World 5 Unit 8 Grammar 1

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flowers / can / pick

flowers can be picked

'green' shopping bags / can / buy

'green' shopping bags can be bought

insects / should / protect

insects should be protected

recycling centres / must / build

recycling centres must be built

water / can / reuse

water can be reused

water / must / conserve

water must be conserved

help / may / need

help may be needed

extraterrestrials / may / find

extraterrestrials may be found

snacks - can - eat

snacks can be eaten

a tap with a leak / must / fix

a tap with a leak must be fixed