AS + ADJECTIVE + AS/NOT AS + ADJECTIVE + AS

AS + ADJECTIVE + AS

 To compare people, places, events or things, when there is no difference, use as + adjective + as:

• Peter is 24 years old. John is 24 years old. Peter is as old as John.

More examples:

• Moscow is as cold as St. Petersburg in the winter.
• Ramona is as happy as Raphael.
• Einstein is as famous as Darwin.
• A tiger is as dangerous as a lion.

COMPARISON OF ADJECTIVES

NOT AS + ADJECTIVE + AS

Difference can also be shown by using not so/as ...as:

• Mont Blanc is not as high as Mount Everest
• Norway is not as sunny as Thailand
• A bicycle is not as expensive as a car
• Arthur is not as intelligent as Albert