Try again, "I" is a pronoun.

Try again, "am" is a singular proper noun.

Well done, "tall" is an adjective.

Try again, "but" is a connective.

Try again, "my" is a pronoun.

Try again, "mum" is a common noun.

Try again, "is" is a verb.

Well done, "taller" is an adjective.

Try again, "than" is a connective.

Try again, "me" is a pronoun.

Try again, "and" is a connective.

Try again, "my" is a pronoun.

Try again, "dad" is a common noun.

Try again, "is" is a verb.

Try again, "the" is a determiner.

Well done, "tallest" is an adjective.

Try again, "of" is a preposition.

Try again, "all" is a determiner.