A comparative phrase is a phrase that compares two things, usually using words such AS 'LIKE' or 'AS'. A SIMILE is a type of comparative phrase that uses the words 'LIKE' or 'AS' to compare two things. An example of a SIMILE would be 'He runs LIKE a cheetah'. An asto is a type of comparative phrase that uses the word 'AS' to compare two things. An example of an asto would be 'He works AS hard AS a bee'. An isto is a type of comparative phrase that uses the word 'LIKE' to compare two things. An example of an isto would be 'She sings LIKE a nightingale'.