本讲为2006年下半年新的教学课程，请对照大纲和教材听录音！

Unit 3

 

Text A

Euthanasia: For and Against

  重点词语
   
  it is (well) known that
  it is said that
  it is believed that
  weaken v. 削弱，减弱
  be done
  am is are
  was were
  be being done
  our library is being repaired.
  Have (has) been done
  Homework has been finished.
  Will do / be to do
  Homework will be finished
   
  Do                be done
  Be being done
  Have (has) been done
  Did  was were done
  Was were being done
  Had been done
  Will be done
  Will be being done
  Be done   am is are
  people keep all the books in good order in the library.
  All the books are kept in good order in the library by people.
  I am repairing the chair.
  The chair is being repaired by me.
  I have written the report.
  The report has been written.
  I wrote a letter yesterday.
  A letter was written yesterday.
  SVo
  SVoo
  I gave him a pen.
  He was given a pen by me.
  A pen was given to him by me.
  Can may must should could might
  I can finish the job myself.
  The job can be finished by me.
   
  Take care of
  Babysitter took care of the baby very carefully.
  The baby was taken care of very carefully by the babysitter.
  Look for
  look after
  I am looking for my watch.
  The watch is being looked for.
   
  weaken  v.  削弱，减弱