Переведите предложения, поставьте их в вопросительной и, где возможно, в отрицательной форме. 1. this work must be done quickly. 2. many complex problems can be solved with the help of computers. 3. lomonosov may be called the founder of higher education in russia. 4. books on this subject can be found in every library. 5. many basic subjects must be studied by the first and second-year students.

1. This work must not be done quickly. 2. Many complex problems can not be solved with the help of computers. 3. Lomonosov may not be called the founder of higher education in Russia. 4. Books on this subject can not be found in every library. 5. Many basic subjects must not be studied by the first and second-year students.

1. Must his work be done quickly? 2. Can many complex problems be solved with the help of computers?. 3. May Lomonosov be called the founder of higher education in Russia? 4. Can books on this subject can be found in every library? 5. Must many basic subjects be studied by the first and second-year students?