W e .explain the reasons for dividing comparative Adjectival comparison Adverbial comparison with "as" Determiner comparison Comparison on PP Clausal comparison "Before" comparison "Same" comparison "S-operator" comparison Complex comparative determiner "Simple" phrasal comparison John is taller than Mary. Few people run as fast as John. John bought more books than Mary. John was happier in New York than in London. John has more books than Mary has newspapers. John had this job before me. John was born in the same city as Mary. Mary had more friends than John thought. Moremen than women bought the book. Mary seems brighter.
