Exercise 38. Fill in the gaps with the appropriate form of the infinitive. Translate the sentences.

1. The patient was known … stool retention accompanied by nausea a month before his present admission to the hospital.
a) to have b)to have had c) to be having

2. Sensitivity to this antibiotic was reported … not only in this animal but in the herd on the whole.
a) to be present b)to have been present

3) Preventive vaccination was found … since no cases of hepatitis were diagnosed after its administration.
a) to be effective b)to have been effective

4) Skin irritation was revealed … after each parenteral administration of this medication.
a) to occur b) to have occurred c)to have been occurring

FOR-TO -INFINITIVE CONSTRUCTION
FOR-TO -ИНФИНИТИВНАЯ КОНСТРУКЦИЯ

В этой конструкции инфинитив находится в предикативных отношениях с существительным или местоимением, которым предшествует предлог for. При переводе этой конструкции на русский язык ей соответствует придаточное предложение или инфинитив. For-to -инфинитивная конструкции может выполнять следующие синтаксические функции в предложении.

EXERCISES_________________________________________________________________

Exercise 39. Replace the following groups of sentences by the sentence with for-to infinitive construction.
Model: He won’t understand a lecture in English. It’s impossible.
It’s impossible for him to understand a lecture in English.

1. She explained everything. It was not difficult. 2. Don’t make mistakes. It’s important. 3. You have to see a doctor. It will be good. 4. She has to do it on time. It’s very important. 5. She met him in the library. It was pleasant. 6. You should eat fruit. It is useful. 7. She had practice on the farm. It was necessary. 8. He passed his exam successfully. It was easy.

Exercise 40. Complete the following sentences by adding for-to - Infinitive Construction.

Model: It’s better (you, stay in bed).
It’s better for you to stay in bed.

1. It’ll be better (she, talk to the Dean). 2. It’s very important (animals, to have enough vitamins). 3. It was good (he, to attend this lecture). 5. It will be easy (you, translate this text). 6. It’s better (he, to see the doctor). 7. It’s useful (patient, to have a rest). 8. It’s harmful (he, to smoke).

Exercise 41. Replace the following pairs of sentences by the sentence with for-to - Infinitive Construction.

Model: The problem was very difficult. We couldn’t solve it.
The problem was too difficult for us to solve it.

1. The book was boring. I couldn’t read it. 2. The conversation was very interesting. Student didn’t want to leave the classroom. 3. She spoke fast. We didn’t understand her. 4. It was late. I didn’t want to go there. 5. It was cold. She didn’t go to the Academy. 6. It was dark. He couldn’t read.

Exercise 42. Translate from Russian into English paying attention to for-to - Infinitive Construction.

1. It’s very important for animals to be immunized. 2. There is no need for you to assist the surgeon. 3. It’s good for you to know the symptoms of this disease. 4. I’m waiting for veterinarian to come and examine my guinea pig. 5. It’s better for the patient to stay in the hospital for two more days. 6. There was nothing else for me to say to the pet owner. 7. It was difficult for us to understand what caused the exacerbation of rheumatic endocarditis. 8. It was difficult for veterinarian to find the source of infection. 9. It was very useful for us to use a new method. 10. There is nothing for me to do here.