Passive
Complete the table with the correct forms of the verbs in the active or passive. Tense Active PassivePresent simple passive They grow oranges in Spain. Oranges are grown in Spain.Present simple passive Do they grow rice in Spain? Is rice grown in Spain?Pres. Cont. Passive NGOs are holding a conference A conference is being held (by NGOs)Past simp. active Thieves stole three paintings Three paintings were stolen.Past cont. active Governments were taking measures Measures were being takenPres. Perf Simp pass The police have arrested the poachers The poachers have been arrested (by the police)Past Perf Simp act Hunters had shot the tigers The tigers had been shot by huntersFuture Simp Pass The authorities will ban whaling Whaling will be banned.Modal active We can prevent the killing of animals The killing of animals can be prevented Choose the correct option:Goldfish that keep / are kept in dark places graduallly lose their colour keep are kept Choose the correct option:More people own / are owned Labradors than any other breed of dog. own are owned Choose the correct option:You shouldn't wear blue in the jungle, because mosquitos will attract / will be attracted to it twice as much as to any other colour. will attract will be attracted Choose the correct option:Blue whales can make / can be made more noise than any other animal. can make can be made Choose the correct option:A group of tigers knows / is known as an 'ambush' or 'streak'. knows is known Choose the correct option:Impalas have seen / have been seen jumping ten metres in the air. have seen have been seen Choose the correct option:A lion can kill / can be killed by an ostrich's kick can kill can be killed Choose the correct option:Top speeds of around 113 km per hour have reached / have been reached by cheetahs. have reached have been reached Choose the correct option:In the past, Yorkshire terriers were putting / were put to work in factories, killing rats. were putting were put Choose the correct option:Male giraffes fight over / are fought over females, hitting each other with the neck. This calls / is called 'necking'. fight over are fought over calls is called Complete the sentences with the correct forms of the verbs in brackets. 1 Lots of trees are cut down (cut down) by logging companies every day.2 The number of bees in the UK is decreasing (decrease) steadily.3 Fertilizers and pesticides are harming (harm) more and more species every day.4 Tuna fish must be protected (protect) from overfishing.5 Pandas had become (become) extremely rare before the government took measures to protect them.6 Although tigers were declared (declare) a protected species many years ago, their numbers haven't gone up yet (not go up yet). Complete the second sentence so that it has a similar meaning to the first one, using the word in brackets (impersonal passive structures). 1 People think her husband is very rich (believed)Her husband is believed to be very rich.2 They say that she was a model when she was young (thought)She is thought to have been a model when she was young.3 People believe that all Mediterranean people have dark hair. (assumed)It is assumed that all Mediterranean people have dark hair.4 They said the President was coming for a visit. (expected)The President was expected to come for a visit5 They say that eating a lot of vegetables is good for your health. (considered)It is considered that eating a lot of vegetables is good for your health.