С точки зрения роли в процессе коммуникации предложения делятся на:
Television is a reflection of the modern world.
The first modern typewriter was developed by Christopher Sholes and two of his friends.
I can’t swim.
Nobody was present at our meeting.
Is this a pen?
There are a lot of new books, aren’t there?
Give me a piece of chalk, please.
Would you be so kind to give me your book?