Two:
A. common noun
B. adjective
C. adverb
D. preposition
E. personal pronoun
2.
boys:
A. common noun
B. possessive noun
C. personal pronoun D. adjective
E. action verb
but:
A. subordinating
conjunction
B. preposition
C. coordinating
conjunction
D. helping verb
they:
A. adjective
B. common noun
C. adverbi
D. personal pronoun E. reflexive pronoun
5.
did:
A. conjunction
B. helping verb
C. adverb
D. action verb
E. adjective
not:
A. helping verb
B. linking verb
C. adjective
D. preposition
E. adverb