Очень надо Define the functions of the infinitive:
1 The instruments to be used during the operation are sterilized by the surgical nurse. 2 There are special dispensaries to treat tuberculosis. 3 Blue labels are stuck to indicate drugs to be used for injections. 4 The tumour to be excised is 2 cm in diameter. 5 Sanitation is the science of how to preserve the public health. It is insanitary to live among insects, dirt, and germs and to drink unclean water and milk. 6 To allow germs to spread abroad from the persons who are ill is also insanitary. 7 Не is said to have made an interesting report at the conference. 8 Flu is known to be a highly communicable and rapidly spreading disease. 9 The doctor is said to be there at the time of the accident. 10 She is believed to be the most skillful therapeutist in this hospital.