Unit 1 Festivals and Celebrations Discovering Useful Structures 非谓语习题专练-2022-2023学年高一下学期英语人教版（2019）必修第三册

非谓语专项训练 三种基本形式 变形 否定 done (被动/完成) not done doing (主动/进行) (not doing) being done(被动/进行) not being done having done(主动/完成) not having done having been done(被动/完成) not having been done to do (主动/将来) (not to do) to be done(被动/将来) not to be done to be doing (主动/进行) not to be doing to have done(主动/完成) not to have done to have been done(被动/完成) not to have been done To have been doing(主动/完成进行) not to have been doing 一、基础专练（一） 1. ________ (Travel)along the old Silk Road is an interesting and rewarding experience. 2. ________ (ignore) the difference between the two research findings will be one of the worst mistakes you make.  3. I quickly lower myself, ducking my head to avoid ________ (look) directly into his eyes so he doesn't feel challenged. 4. The hospital has recently obtained new medical equipment, ________ (allow) more patients to be treated.  5. It took him a long time ________ (acquire) the skills he needed to become a good dancer. 6. ________ (not know)which university to attend, the girl asked her teacher for advice. 7. I didn't mean ________ (eat)anything but the ice cream looked so good that I couldn't help ________ (try) it. 8. So next time when you're preparing for a big exam, spend some time ________ (read) loud. 9. We’ve heard that our national team wins the game and the situation is ________ (encourage). 10. A famous 19th century Russian writer, Anton Chekhov, once invited a Chinese man ________ (have) a drink in a bar. 11. The national park has large collection of wildlife, ________ (range) from butterflies to elephants. 12. Ordinary soap, ________ (use) correctly, can deal with bacteria effectively. 13. Jim has retired, but he still remembers the happy time ________ (spend)with his students. 14. In art criticism, you must assume the artist has a secret message ________ (hide)within the work. 15. While waiting for the opportunity to get ________ (promote), Henry did his best to perform his duty. 16. Also, they often