1.- The table in my house is beautiful
The: definite article
table: concrete noun
in: preposition
my: possessive adjectives
house: concrete noun
is: auxiliary verb
beautiful: adjective
2.- I am a teacher, and i work at an school in New York
I: personal pronouns
am: auxiliary verb
a: indefinite article
teacher: common noun
and: coordinating conjuction
i: personal pronouns
work: lexical verb
at: preposition
an: indefinite article
school: common noun
in: preposition
New York: Proper noun
3.- I am on vacation
I: personal pronoun
am: auxiliary verb
on: preposition
vacation: common noun