The

    free morpheme
    determiner
 
teacher's

    teach (free base morpheme) + -er (bound comperative adjectival inflection) + -s (noun inflection)
    noun
    subject of the sentence
    apostroph implies possession where there is none

considered

    consider (free base morpheme) + -ed (bound inflectional affix indicating past tense)
    main verb
    trasitive verb
    past tense

her

    free morpheme
    direct object of verb
    personal pronoun
 

extremely

    extreme (free base morpheme) + -ly ( bound derivational affix)
    adjective describing "friendly"
 
friendly

    friendly (free base morpheme)