The paper aims at describing the use of politeness principles which are found in the utterances
in Look Ahead An English Course for Senior High School Students Year XI written by Th. M. Sudarwati and
Eudia Grace. The data are collected by note taking and observing the texts and then analyzed by descriptive
qualitative method. After analyzing the data, the writers find 16 uses of politeness principles, they are one tact
maxim, four generosity maxims, two approbation maxims, one modesty maxim, four agreement maxim, and
four sympathy maxims. There can be found nine obedience and denial of maxim, they consist of one obeying
tact maxim and denying modesty maxim, four obeying generosity maxim and denying approbation maxim, two
obeying approbation maxim and denying modesty maxim, one obeying approbation maxim and denying
agreement maxim, and one obeying agreement maxim and denying approbation maxim.
Key words: politeness principle, text book, utterance, maxim.