Переведите предложения, обращая внимание на различные функции глаголов to have и

Переведите предложения, обращая внимание на разные функции глаголов to have и to be: 1. Newton was an outstanding scientist of the 17-th century. 2. We are thinking of new methods of construction and transportation. 3. Extra-mural students will have to take the exam in physics in the first year. 4. The workers had laid the new line by the end of the year. 5. They have no lectures today. 6. The designers are to discuss the new project of a bridge at two oclock today.