Informative structure of the utterance is one of the topics that still attract the attention of language analysts nowadays. It is well recognized that the rheme marking devices are:
1. Position in the sentence. As a rule new information in English generally comes last: The cat ate the rat.
2. Intonation.
3. The use of the indefinite article. However, sometimes it is impossible (as in 1): A gentleman is waiting for you.
4. The use of ‘there is’, ‘there are’. There is a cat in the room.
5. The use of special devices, like ‘as for’, ‘but for’, etc.: As for him, I don’t know.
6. Inverted word order: Here comes the sun.
7. The use of emphatic constructions: It was the cat that ate the rat.