1. Nouns: naming words are called nouns. Nouns can be the names of persons, places, animals and things.
Example:
father, girl, Jan, garden, garage, tiger, computer, bottle, pillow

2. Verbs: doing or action words are called verbs.
Example:
Main verbs: sit, stand, walk, study, write, eat, drink, play, laugh.
Helping verbs: do and have are also verbs but they are not main verbs. They are called helping verbs.

3. Pronoun: words used instead of nouns are called pronouns.
Example:
he, she, they, it I, you, we, him, me, us, them

4. Adjective: describing words are called adjectives. They describe a noun.
Example:
a fat man, a deep well, a blind bat, an old car.

5. Adverbs: words that describe verbs or adjectives are called adverbs.
Example:
The boy ran very fast. ('fast' is an adjective and 'very' describes it)
He spoke loudly.('spoke' is a verb and 'loudly' describes it)

6. Prepositions: position words are called prepositions.
Example:
There is no ink in my pen.
I need a refill for my pen.
I shall buy one on Monday at 5 o'clock.

7. Conjunctions: joining words are called conjunction.
Example:
The sun shine during the day and the stars come out at night.
A fish can swim but a bird cannot.
The mice will play when the cat is away.

8. Interjections: are words used for showing surprise or any other strong feeling.
Example:
alas!, oh!, ah!, wow!, Gosh!, Hurray!