1. Mark is playing.
Mark- Noun
2. The cake was delicious.
delicious-adjective
3. Verb-The baby is crying.
crying- verb
4.The baby is crying loudly.
loudly- adverb
5. She is doing her assignment.
She- Pronoun
6. The teacher is teaching and writing.
and- conjuction
7. Watch out! There's a car driving by.
Watch out!- interjection
8.This is an apple.
an- article