câu bị động

People have discovered a new source of energy

• A new source of energy has discovered

• A new source of energy was discovered

• A new source of energy have been discovered

• A new source of energy has been discovered

     People say that he was born in London

• That is said he was born in London

• It was said that he was born in London

• he was said to be born in London

• He is said to have been born in London

  People say Chinese food is the best in the world

• Chinese food is said to be the best in the world

• I agree that Chinese food is the best in the world

• Chinese food is eaten all over the world

• No food in the world is eaten as much as Chinese food

    The storm blew a lot of trees down last night

• A lot of trees were blown down last night by the storm

• The storm could have blown a lot of trees down

• A lot of trees were cut down last night

• The storm was strong enough to blow down old trees

They gave the job to Amy and Bob

• Amy and Bob are given a job.

• A job was given to Amy and Bob

• Amy and Bob was given a job

• A job were given to Amy and Bob

They started the work last week

• The work was started last week

• The work are started last week

• The work were started last week

• The work is started last week

   They finished the kitchen’s building on Saturday.

• The kitchen’s building was finished on Saturday.

• The kitchen’s building were finished on Saturday

• The kitchen’s building is finished on Saturday

• The kitchen’s building are finished on Saturday

   Somebody calls the president everyday.

• The president was called every day

• The president are called every day

• The president is called every day

• The president were called every day

    Last Thursday we pointed a new marketing manager.

• A new marketing manager is pointed last Thursday.

• A new marketing manager were pointed last Thursday

• A new marketing manager are pointed last Thursday

• A new marketing manager was pointed last Thursday

    Gold _______ in California in the 19^th century

• was discovered

• has been discovered

• were discovered

• they discover