时间状语从句：
1.He got scarlet fever when he was yet a child.
2.While the tissue requires more oxygen,we breathe more deeply and more quickly to supply it．
3.The dose of penicillin may be reduced regularly as clinical improvement becomes obvious.
4.The old mother feels very sorrowful,whenever she thinks of her lost daughter.
5.The young scientist had worked day and night for a long period of ten years before he succeeded in finding out the new elements in chemistry.
6.All kinds of food,all kinds of vegetables and fruits begin to digest as soon as they enter the stomach.
7.The moment he heard of the famous doctor’s arrival,he immediately arranged everything to welcome him.
8.Hardly had the attenuation of rheumatic pains occurred when the doctor instructed the patient to stop medication.
9.On hearing the results of examination,that female patient cried as she walked away
10.When the patient walked along,he kept wondering what the doctor really meant.
11.When you arrive at home,please tell me.
12.After you read this book,please clean the room.
13.Before he does his homework,he will watch TV.
14.He won't go to bed until his mother comes back.
15.I will tell you as soon as Tom finishes his work.
16.When spring comes,the days get longer.
17.I went to school after I finished my breakfast.
18.I’ll wait here until/till the rain stops.
19.You must see the doctor if you are ill.
20.She turned off the light before she left the office.
被动语态：
1.A new bridge will be built over the river.
2.Rice is grown in the south of the states.
3.We are not allowed to enter the chemistry lab without a teacher.
4.The building of a new car factory was agreed on last month.
5.He had a strange way of making his classes lively and his lessons were not easily forgotten.
6.Cars will be sent abroad by sea.
7.Plenty of jobs will be given to school-leavers.
8.The manager said the project would be completed by the end of the year.
9.The workers told me that the car would be mended as soon as possible.
10.English lessons are being broadcasted on the radio.
11.The rooms are being painted.
12.Trees were being planted here this time last year.
13.I have been told the sports meet might be put off.
14.The price has been brought down.
15.When I got to the theatre,I found the tickets had already been sold out.
16.He had been considered to be a great leader.
17.The teacher said,“Your compositions must be handed in after class.”
18.The cup was broken by Paul.
19.I was invited to her dinner party.
20.A special class to help poor readers was set up in the school.
句子都挺简单的,我就不翻译了,
