1. The document discusses stress and intonation in English. Stress refers to emphasis on certain syllables in words while intonation refers to variations in pitch when speaking.
2. It provides examples of how stress can shift when suffixes are added to words. Intonation patterns in English include rising, falling, fall-rise, and rise-fall.
3. Falling intonation is most common and used for statements, questions, and commands. Rising intonation is used for yes-no questions. Intonation serves functions like expressing attitude, grammar, focus, discourse, and psychology.