2將以下句子由主動改成被動：I must give this letter to my mother tonight.All citizens ought to obey the law.He is eating all of the cakes.The reporters were taking pictures when the storm started.He was finishing the work at 6 p.m. last night.Peter will write that letter.John received my letter.The farmers here grow apples.He met me last night.They will finish the job on time.將以下句子由被動改成主動：The policeman was seen by me.Those two books were written by me.These sentences were corrected by my teacher.He was hit by a car.His door was locked by me.His house was built by my father.His boat was given to me by my father.This bird is rarely seen by people here.He is liked by every one.They were given ten dollars by their friends.
3將以下句子由主動改成被動：Football is being played by John.He should be given that lecture by his father.That report will be written by him.The letter has been received by the King.This movie should be seen by every one.This book ought to be read by every student.They are being helped by me.The movie is going to be seen by all of us.This cake can be eaten by kids.He has written three novels.將以下句子由被動改成主動：This picture was taken by him.Too much wine was drunk by the young men.I was taught by Mr. Wang.He was helped by his father.They were served by that waiter.His food was prepared by my mother.His toy was made by my sister.The book was returned to me by Jim.That song was written by my brother.I was invited by him to a party.
4將以下句子由主動改成被動：He will write that letter.They will sing these songs tomorrow.He will give the speech.They are painting the house.I have given him three books.I can do this job.He had told me that story before we went there.Teachers should help the students.He is writing the report now.The students must read this book.將以下句子由被動改成主動：The book was not written by him.I am not going to be helped by you.That book has not been received by John.That song is not liked by college students.John is not loved by Mary.I will not be met by my student tomorrow.Meat is not eaten by vegetarians.The door was not opened by me.That ten dollars were not paid by me.The car was not bought by me.
5將以下句子由主動改成被動：I have to give this letter to my mother tonight.All citizens ought to obey the law.He has eaten all of the cakes.The reporters were taking pictures when the storm started.He had finished the work before five o'clock last night.Peter will write that letter.John has received my letter.He has proved that theorem.The farmers here do not grow apples.He did not meet me last night.將以下句子由被動改成主動：Was the cake eaten by you?Is he liked by all of us?Is that kind of music loved by every one in Japan?Is fish eaten by old people?Are roses loved by most women?Was he called by you?Is soccer played by John?When was this music written by Mozart?When was he seen by you?Were they seen by you last night?
6Final Evaluation I have not written that letter. John is not going to see that movie.I did not watch that movie.He does not speak English.He will not speak English.You should not eat that cake.My mother does not eat that kind of fish.John has not written that report.Is he writing a book?Did he write that book?Did you sign that letter?Where did you see that movie?When did you see that movie?Has he finished that job?Did mother give you the gift?Did your mother visit you last night?Do they grow roses?Do they speak English?Did you play that game of tennis?Will you teach English?