1. Given (give) more attention, the tree could have grown better.
2. The computer center, opened (open) last year, is very popular among the students in this school.
3. The first textbooks written (write) for teaching English as a foreign language came out in the 16th century.
4. Lost (lose) in thought, he almost ran into the car in front of him.
5. Founded (found) in 1636, Harvard is one of the most famous universities in the United States.
Ⅱ. 句型转换
1. When it is completed, the museum will be open to the public next year.
? When completed, the museum will be open to the public next year.
2. If he is given time, he’ll make a first-class tennis player.
? Given time, he’ll make a first-class tennis player.
3. When Mr Smith was tired of the boring speech, he started to read a novel.
? Mr Smith, tired of the boring speech, started to read a novel.
4. Unless you are invited to speak, you should remain silent at the conference. ? Unless invited to speak, you should remain silent at the conference.
