1 Bob is as big as Ben. 2 Tom is not as tall as Jim. Jim is taller than Tom. 3 Gold is more expensive than silver. 4 Andrew is the tallest boy in our class. 5 Stella is the most beautiful girl in our class.

Comparative and Superlative Forms

This section presents examples of comparative and superlative adjectives. Here's a breakdown:

• Comparative: Used to compare two things. It often involves adding '-er' to short adjectives (e.g., 'taller') or using 'more' before longer adjectives (e.g., 'more expensive').
• Superlative: Used to compare three or more things, indicating the extreme degree of a quality. It often involves adding '-est' to short adjectives (e.g., 'tallest') or using 'most' before longer adjectives (e.g., 'most beautiful').

Examples from the text:

• 'as big as' - shows equality.
• 'taller than' - comparative, comparing Jim and Tom.
• 'more expensive than' - comparative, comparing gold and silver.
• 'the tallest' - superlative, indicating Andrew is at the top among all boys in the class.
• 'the most beautiful' - superlative, indicating Stella is the most beautiful girl in the class.