1、The manager told us that this factory was built in 1958.
2、By the time we got there， the play had already begun.
3、When I was a child， I knew that the earth turns about its axis.
1、The film showed last night was very moving. (不用moved，大家别忘了-ed形容词和-ing形容词的区别)
2、Having finishing his lecture， the teacher asked if anyone wished to asked a question.
3、The problem being discussed is very important.
1、It is difficult to study English well.
2、We think it is important to pass the exam.
四、强调句型(大家要记住的是it is (was)……that…。如果前面是it is(was) 后面往往选用that，当然强调人的时候也可用who)
1、It was at an evening party that I first saw her.
2、It is what you will do that is important.
3、When was it that he bought a new car
1、Stop talking! There comes the teacher.
1、So badly was he hurt in the accident that he had to be sent to hospital.
2、Not only does he study well， but also he is always ready to help others.
3、Mary has done well in the English exam. So she has. She always does well in the exam.