I. Study the forms of the verb “to be”.

Present Simple:

Singular	Plural
I am	We are
You are	You are
He/She/It is	They are

Past Simple:

Singular	Plural
I was	We were
You were	You were
He/She/It was	They were

Future Simple:

Singular	Plural
I shall/will be	We shall/will be
You will be	You will be
He/She/It will be	They will be

Exercise 1. Analyze the following sentences. Explain the way negative and interrogative forms are built.

1. This book is not available at the moment. 2. The university clinics aren’t located close to the university. 3. Are you busy at the moment? - No, I'm not. 4. Is Mr. Brown in? - No, he is out. 5. We were very happy when the exams were over. 6. He wasn't satisfied with the test results. 7. Three students weren't present at the lecture. 8. Was everyone surprised by his coming? 9. Why was mother angry with the boy? 10. It will be useful to revise all the grammar rules before the test. 11. She won't be late for classes again. 12. Will the patient be on a diet during the treatment? 13. What will be on the menu tomorrow? 14. How many students are there in your class?

Exercise 2. Make the following sentences negative and interrogative.

1. Your name is on the list. 2. It is important for students to work hard. 3. This test is quite difficult. 4. The examination cards are on the teacher's desk. 4. There are a few interesting articles in this issue. 5. The break will be over in 5 minutes. 6. I was quite short of time yesterday. 7. An interesting film was on last Friday. 8. The food in the restaurant was delicious. 9. They were not aware of my presence. 10. I hope my friend will be in time for the class. 11. Your article will be in press next month.

Exercise 3. Study the following examples and translate the following sentences from Russian into English:

It is necessary for medical students to work hard.

It is useful for researchers to take part in international conferences.

It is indispensable for clinicians to use up-to-date diagnostic equipment.

It was essential for me to submit this article to this journal.

It will be advisable for lecturers to put greater emphasis on training practical skills.

It will be important for students not to fail any exams.

It was interesting for me to give a lecture in English.

Exercise 4. Translate from Russian into English:

1. Студентам и аспирантам необходимо изучать иностранный язык. 2. Нам было интересно увидеть новый фильм по телевизору. 3. Им будет полезно прочитать эту книгу. 4. Важно повторять правила перед контрольной. 5. Существенным станет обсуждение результатов работы с коллегами. 6. Врачам необходимо постоянно совершенствовать свои знания. 7. Нужно было выбрать лучших студентов для участия в конференции. 8. Желательно было прочитать несколько статей по этой теме. 9. Ей было полезно побывать на занятиях своих коллег. 10. Пациенту было необходимо пройти полное обследование. 11. Детям будет интересно провести несколько часов в Диснейленде. 12. Мне было трудно читать первую лекцию на английском языке. 13. Для них важным станет участие в этой международной конференции. 14. Преподавателям желательно уделять больше внимания обучению практическим навыкам. 15. Студентам важно хорошо сдавать экзамены. 16. Студентам необходимо приходить во время на занятия. 17. Претенденту (applicant) необходимо иметь опыт работы в этой области. 18. Существенным для них было применение нового метода исследования. 19. Мне было трудно сформулировать цель и задачи моего исследования. 20. Полезно делать обзор существующих публикаций в исследуемой сфере.