学习语法首先要学习句子，因为句子是人类语言的核心，通过对句子的分析理解，可以更好的掌握语法。下面是小编整理的考研英语四级语法自测练习：非谓语动词，希望对你的语法学习有所帮助！
1. The flu is believed ________ by viruses that like to reproduce in the cells inside the human nose and throat.
A. cause B. being caused C. to be caused D. to have caused
2. The flowers ________ sweet in the botanic garden attract the visitors to the beauty of nature.
A. to smell B. smelling C. smelt D. to be smelt
3. The disc, digitally ________ in the studio, sounded fantastic at the party that night.
A. recorded B. recording C. to be recorded D. having recorded
4. Having been attacked by terrorists, ________ .
A. doctors came to their rescue B. the tall building collapsed
C. an emergency measure was taken D. warnings were given to tourists
5. Robert is said ________ abroad, but I don’t know what country he studied in.
A. to have studied B. to study C. to be studying D. to have been studying
6. The managers discussed the plan that they would like to see ________ the next year.
A. carried out B. carrying out C. carry out D. to carry out
7. I’ve worked with child before, so I know what ________ in my new job.
A. expected B. to expect C. to be expecting D. expect
8. ________ such heavy pollution already, it may now be too late to clean up the river.
A. Having suffered B. Suffering C. To suffer D. Suffered
9. Having a trip abroad is certainly good for the old couple, but it remains ________ whether they will enjoy it.
A. to see B. to be seen C. seeing D. seen
10. The research is so designed that once ________ nothing can be done to change it.
A. begins B. having begun C. beginning D. begun
311. It is said that in Australia there is more land than the government knows ________.
A. it what to do with B. what to do it with
C. what to do with it D. to do what with it
12. A cook will be immediately fired if he is found ________ in the kitchen.
A. smoke B. smoking C. to smoke D. smoked
13. I’m going to the supermarket this afternoon. Do you have anything ________ ?
A. to be buying B. to buy C. for buying D. bought
14. The pilot asked all the passengers on board to remain ________ as the plane was making a landing.
A. seat B. seating C. seated D. to be seating
15. Victor apologized for ________ to inform me of the change in the plan.
A. his being not able B. him not to be able
C. his not being able D. him to be not able
