The Eight Parts of Speech

Learning English is almost a must for all people in the world now. In this social media era, people in the world can easily connected one another through social media. And, the language they use is English. In learning English and other languages too, the basic part to be learned is the word classes that's called as part of speech. Read the sentence bellow.

A beautiful bird usually catches an insect on the tree beside my house every morning. I and my sister like its voice.

Now we analyze the word classes.
beautiful                 (Adjective)
a. bird                    (Noun)
b. catch                  (Verb)
c. on, beside           (Preposition)
d. usually, every      (Adverb of Frequency)
-beside my house    (Adverb of Place)
-morning                 (Adverb of Time)
e. I, its                    (Pronoun)
f. and                      (Conjunction)
g. exclamation

Bellow are the definition of those word classes by Oxford Dictionary.

• A noun is a word that identifies a person, a thing, an idea, quality, or state.
• Pronouns are used in place of a noun that is already known or has already been mentioned.
• A verb describes what a person or thing does or what happens.
• An adjective is a word that describes a noun, giving extra information about it.
• An adverb is a word that’s used to give information about a verb, adjective, or other adverb.
• A preposition is a word such as after, in, to, on, and with. Prepositions are usually used in front of nouns or pronouns and they show the relationship between the noun or pronoun and other words in a sentence.
• A conjunction (also called a connective) is a word such as and, because, but, for, if, or, and when. Conjunctions are used to connect phrases, clauses, and sentences.
• An exclamation (also called an interjection) is a word or phrase that expresses strong emotion, such as surprise, pleasure, or anger.

Other examples:
Nouns
Rian goes to school by motorcycle
Eagles like hunting pigeon

Pronouns
She is a teacher
That is my house
They are my brothers

Adjectives
My small cat is so cute
He is the most intelligent student
I am a strong man

Verbs
A cat runs so fast
My father read a newspaper
I listen to music every night

Adverbs
I usually read a book at library (Adverb of place)
I usually read magazine in the morning (Adverb of time)
He teaches his students wisely (Adverb of manner)

Prepositions
A cat sleeps under the table 
The book is on the table
I will go to the beach on Monday
He is at home

Conjunctions
Rina is studying, while her brother is watching TV
She likes reading and writing
You come here or I go there

Interjections
Watch out!
Go!
Hurry up!