Ex. 1 Replace the group of words in bold type by the Infinitive. 1. Engineering includes a lot of areas "with which it deals".
2. Engineer has many branches "in which he can work".
3. Engineers use theory "for producing" practical answers.
4. Electric systems were constructed "for generating" electric signals.
5. All branches of engineering use sciences "which can improve" our life.
6. We have one more branch "about which we want to speak".
7. I was surprised "when I heard" about the way "of translating" the word from the
exercise.
8. The task of a civil engineer is "the design of" large buildings.
Who is flying over the Atlantic Ocean? Вопрос к подлежащему
Where are we flying? Специальный
Are we flying over the Atlantic Ocean or the Pacific Ocean? Альтернативный
We're flying over the Atlantic Ocean, aren't we? Разделительный
Have you been studying English for two years? Общий
Who has been studying English for two years? Вопрос к подлежащему
How long have you been studying English? Специальный
Have you been studying English for two or three years? Альтернативный
I have been studying English for two years, haven't I? Разделительный